BugId AVR:PoisonUninitialized+0x5E 237.b22 @ acrord32.exe!acrord32.dll+0x605454 summary

BugId:	AVR:PoisonUninitialized+0x5E 237.b22
Location:	acrord32.exe!acrord32.dll+0x605454
Description:	An Access Violation exception happened at 0xC0C0C11E while attempting to read memory at 0xC0C0C11E using a pointer that was not initialized.
Version:	AcroRd32.exe: 18.11.20040.19174 (x86) AcroRd32.dll: 18.11.20040.19174 (x86)
Security impact:	Potentially exploitable security issue
Arguments:	['/n', 'AVR@PoisonUninitialized@0x605454.pdf']

BugId version 2018-11-21 19:42 by SkyLined. Licensed to netanelbs for commercial use.

Stack

AcroRd32.dll + 0x605454 (id: 237, no function symbol available)
AcroRd32.dll + 0x5F3402 (id: b22, no function symbol available)
AcroRd32.dll + 0x5F8311 (no function symbol available)
AcroRd32.dll + 0x5EC789 (no function symbol available)
AcroRd32.dll + 0xB753A (no function symbol available)
AcroRd32.dll + 0xB744E (no function symbol available)
AcroRd32.dll + 0x466522 (no function symbol available)
AcroRd32.dll + 0x1DF2C2 (no function symbol available)
AcroRd32.dll + 0x1DE7F2 (no function symbol available)
AcroRd32.dll + 0x1DE6DB (no function symbol available)
AcroRd32.dll + 0x1DD60F (no function symbol available)
AcroRd32.dll + 0x1DAAAF (no function symbol available)
AcroRd32.dll + 0x1DA737 (no function symbol available)
AcroRd32.dll + 0x1C4A50 (no function symbol available)
AcroRd32.dll + 0x1C2E10 (no function symbol available)
AcroRd32.dll + 0x1B3D33 (no function symbol available)
AcroRd32.dll + 0x1B349A (no function symbol available)
AcroRd32.dll + 0x1B111C (no function symbol available)
AcroRd32.dll + 0x1B0B87 (no function symbol available)
AcroRd32.dll + 0x1B0AF0 (no function symbol available)
AcroRd32.dll + 0x1B00CC (no function symbol available)
AcroRd32.dll + 0x1AEC8C (no function symbol available)
AcroRd32.dll + 0x1AD56A (no function symbol available)
AcroRd32.dll + 0x1AB722 (no function symbol available)
AcroRd32.dll + 0x1AB4E5 (no function symbol available)
AcroRd32.dll + 0x1AA3D3 (no function symbol available)
AcroRd32.dll + 0x1A9F0A (no function symbol available)
AcroRd32.dll + 0x1A9D10 (no function symbol available)
AcroRd32.dll + 0x1A9AF3 (no function symbol available)
AcroRd32.dll + 0x7F188 (no function symbol available)
AcroRd32.dll + 0x7EFF6 (no function symbol available)
USER32.dll!_InternalCallWinProc + 0x2B
USER32.dll!UserCallWinProcCheckWow + 0x3AA
USER32.dll!DispatchClientMessage + 0xEA
USER32.dll!__fnDWORD + 0x49
ntdll.dll!KiUserCallbackDispatcher + 0x4D
USER32.dll!DispatchMessageWorker + 0x31A
USER32.dll!DispatchMessageW + 0x10
AcroRd32.dll + 0x8D9EF (no function symbol available)
AcroRd32.dll + 0x8D7FB (no function symbol available)
AcroRd32.dll + 0x2A871 (no function symbol available)
AcroRd32.dll + 0x2A14E (no function symbol available)
AcroRd32.exe + 0x7435 (no function symbol available)
AcroRd32.exe + 0xF9CF1 (no function symbol available)
KERNEL32.DLL!BaseThreadInitThunk + 0x24
ntdll.dll!__RtlUserThreadStart + 0x2F
ntdll.dll!_RtlUserThreadStart + 0x1B

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Registers

eax = 0xC0C0C0C0	xmm0 = 0x0
ebx = 0x0	xmm1 = 0x0
ecx = 0xC0C0C0C0	xmm2 = 0x0
edx = 0x38A0000	xmm3 = 0x0
esi = 0x3D934F88	xmm4 = 0x0
edi = 0x0	xmm5 = 0x0
esp = 0x99BEB0	xmm6 = 0x0
ebp = 0x99BF20	xmm7 = 0x0

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Disassembly of stack frame 1 at AcroRd32.dll + 0x605454

5ee05384	8d4da0	lea ecx,[ebp-60h]
5ee05387	e84bc90000	call AcroRd32!CTJPEGRect::operator=+0x11cb6 (5ee11cd7)
5ee0538c	8b462c	mov eax,dword ptr [esi+2Ch]
5ee0538f	8d4da0	lea ecx,[ebp-60h]
5ee05392	33db	xor ebx,ebx
5ee05394	8945b4	mov dword ptr [ebp-4Ch],eax
5ee05397	895dfc	mov dword ptr [ebp-4],ebx
5ee0539a	e836ca0000	call AcroRd32!CTJPEGRect::operator=+0x11db4 (5ee11dd5)
5ee0539f	6a10	push 10h
5ee053a1	8d4da0	lea ecx,[ebp-60h]
5ee053a4	e872c90000	call AcroRd32!CTJPEGRect::operator=+0x11cfa (5ee11d1b)
5ee053a9	8bf8	mov edi,eax
5ee053ab	85ff	test edi,edi
5ee053ad	752f	jne AcroRd32!CTJPEGRect::operator=+0x53bd (5ee053de)
5ee053af	ff765c	push dword ptr [esi+5Ch]
5ee053b2	8d45d0	lea eax,[ebp-30h]
5ee053b5	50	push eax
5ee053b6	8d45a0	lea eax,[ebp-60h]
5ee053b9	50	push eax
5ee053ba	e8ddda0000	call AcroRd32!CTJPEGRect::operator=+0x12e7b (5ee12e9c)
5ee053bf	8bf8	mov edi,eax
5ee053c1	83c40c	add esp,0Ch
5ee053c4	85ff	test edi,edi
5ee053c6	7516	jne AcroRd32!CTJPEGRect::operator=+0x53bd (5ee053de)
5ee053c8	8d4da0	lea ecx,[ebp-60h]
5ee053cb	e827e7ffff	call AcroRd32!CTJPEGRect::operator=+0x3ad6 (5ee03af7)
5ee053d0	834dfcff	or dword ptr [ebp-4],0FFFFFFFFh
5ee053d4	8d4da0	lea ecx,[ebp-60h]
5ee053d7	e818c90000	call AcroRd32!CTJPEGRect::operator=+0x11cd3 (5ee11cf4)
5ee053dc	eb6a	jmp AcroRd32!CTJPEGRect::operator=+0x5427 (5ee05448)
5ee053de	834dfcff	or dword ptr [ebp-4],0FFFFFFFFh
5ee053e2	8d4da0	lea ecx,[ebp-60h]
5ee053e5	e80ac90000	call AcroRd32!CTJPEGRect::operator=+0x11cd3 (5ee11cf4)
5ee053ea	8bc7	mov eax,edi
5ee053ec	e98b000000	jmp AcroRd32!CTJPEGRect::operator=+0x545b (5ee0547c)
5ee053f1	8b462c	mov eax,dword ptr [esi+2Ch]
5ee053f4	8d4dbc	lea ecx,[ebp-44h]
5ee053f7	c6400d08	mov byte ptr [eax+0Dh],8
5ee053fb	e8aa0b0100	call AcroRd32!CTJPEGRect::operator=+0x15f89 (5ee15faa)
5ee05400	8b462c	mov eax,dword ptr [esi+2Ch]
5ee05403	8d4dbc	lea ecx,[ebp-44h]
5ee05406	c745fc01000000	mov dword ptr [ebp-4],1
5ee0540d	8945cc	mov dword ptr [ebp-34h],eax
5ee05410	e884120100	call AcroRd32!CTJPEGRect::operator=+0x16678 (5ee16699)
5ee05415	33db	xor ebx,ebx
5ee05417	8d4dbc	lea ecx,[ebp-44h]
5ee0541a	53	push ebx
5ee0541b	ff765c	push dword ptr [esi+5Ch]
5ee0541e	e8a90c0100	call AcroRd32!CTJPEGRect::operator=+0x160ab (5ee160cc)
5ee05423	8bf8	mov edi,eax
5ee05425	8d4dbc	lea ecx,[ebp-44h]
5ee05428	85ff	test edi,edi
5ee0542a	740b	je AcroRd32!CTJPEGRect::operator=+0x5416 (5ee05437)
5ee0542c	834dfcff	or dword ptr [ebp-4],0FFFFFFFFh
5ee05430	e8cbbb9fff	call AcroRd32!AIDE::PixelPartInfo::~PixelPartInfo (5e801000)
5ee05435	ebb3	jmp AcroRd32!CTJPEGRect::operator=+0x53c9 (5ee053ea)
5ee05437	e8ee110100	call AcroRd32!CTJPEGRect::operator=+0x16609 (5ee1662a)
5ee0543c	834dfcff	or dword ptr [ebp-4],0FFFFFFFFh
5ee05440	8d4dbc	lea ecx,[ebp-44h]
5ee05443	e8b8bb9fff	call AcroRd32!AIDE::PixelPartInfo::~PixelPartInfo (5e801000)
5ee05448	807e0424	cmp byte ptr [esi+4],24h
5ee0544c	742c	je AcroRd32!CTJPEGRect::operator=+0x5459 (5ee0547a)
5ee0544e	8b4664	mov eax,dword ptr [esi+64h]
5ee05451	8b4e60	mov ecx,dword ptr [esi+60h]
5ee05454	6639585e	cmp word ptr [eax+5Eh],bx // current instruction
5ee05458	7406	je AcroRd32!CTJPEGRect::operator=+0x543f (5ee05460)
5ee0545a	0fb64654	movzx eax,byte ptr [esi+54h]
5ee0545e	eb04	jmp AcroRd32!CTJPEGRect::operator=+0x5443 (5ee05464)
5ee05460	0fb6405a	movzx eax,byte ptr [eax+5Ah]
5ee05464	50	push eax
5ee05465	ff7650	push dword ptr [esi+50h]
5ee05468	ff764c	push dword ptr [esi+4Ch]
5ee0546b	ff765c	push dword ptr [esi+5Ch]
5ee0546e	e8f41b0000	call AcroRd32!CTJPEGRect::operator=+0x7046 (5ee07067)
5ee05473	8bce	mov ecx,esi
5ee05475	e835e1feff	call AcroRd32!AX_PDXlateToHostEx+0x25e381 (5edf35af)
5ee0547a	33c0	xor eax,eax
5ee0547c	e8a81da2ff	call AcroRd32!AIDE::PixelPartInfo::~PixelPartInfo+0x26229 (5e827229)
5ee05481	c3	ret
5ee05482	56	push esi
5ee05483	8bf1	mov esi,ecx
5ee05485	e86c130100	call AcroRd32!CTJPEGRect::operator=+0x167d5 (5ee167f6)
5ee0548a	85c0	test eax,eax
5ee0548c	7570	jne AcroRd32!CTJPEGRect::operator=+0x54dd (5ee054fe)
5ee0548e	8b4e2c	mov ecx,dword ptr [esi+2Ch]
5ee05491	e81de0feff	call AcroRd32!AX_PDXlateToHostEx+0x25e285 (5edf34b3)
5ee05496	a801	test al,1
5ee05498	8ad0	mov dl,al
5ee0549a	0f97c1	seta cl
5ee0549d	d0ea	shr dl,1
5ee0549f	80e203	and dl,3
5ee054a2	0fb6c9	movzx ecx,cl
5ee054a5	a808	test al,8
5ee054a7	66894e68	mov word ptr [esi+68h],cx
5ee054ab	88566a	mov byte ptr [esi+6Ah],dl
5ee054ae	0f97c0	seta al
5ee054b1	0fb6c0	movzx eax,al
5ee054b4	6689466c	mov word ptr [esi+6Ch],ax
5ee054b8	6685c9	test cx,cx
5ee054bb	753f	jne AcroRd32!CTJPEGRect::operator=+0x54db (5ee054fc)
5ee054bd	84d2	test dl,dl
5ee054bf	7525	jne AcroRd32!CTJPEGRect::operator=+0x54c5 (5ee054e6)
5ee054c1	53	push ebx
5ee054c2	57	push edi
5ee054c3	6a04	push 4
5ee054c5	8d7e74	lea edi,[esi+74h]
5ee054c8	5b	pop ebx
5ee054c9	8b4e2c	mov ecx,dword ptr [esi+2Ch]
5ee054cc	e8e2dffeff	call AcroRd32!AX_PDXlateToHostEx+0x25e285 (5edf34b3)
5ee054d1	8847fc	mov byte ptr [edi-4],al
5ee054d4	8b4e2c	mov ecx,dword ptr [esi+2Ch]
5ee054d7	e8d7dffeff	call AcroRd32!AX_PDXlateToHostEx+0x25e285 (5edf34b3)
5ee054dc	8807	mov byte ptr [edi],al
5ee054de	47	inc edi

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Disassembly of stack frame 2 at AcroRd32.dll + 0x5F3402

5edf335c	8bd9	mov ebx,ecx
5edf335e	e8b6a3a3ff	call AcroRd32!AcroWinMainSandbox+0x3795 (5e82d719)
5edf3363	59	pop ecx
5edf3364	8bc8	mov ecx,eax
5edf3366	894dfc	mov dword ptr [ebp-4],ecx
5edf3369	85c9	test ecx,ecx
5edf336b	7508	jne AcroRd32!AX_PDXlateToHostEx+0x25e147 (5edf3375)
5edf336d	6a03	push 3
5edf336f	58	pop eax
5edf3370	e917010000	jmp AcroRd32!AX_PDXlateToHostEx+0x25e25e (5edf348c)
5edf3375	56	push esi
5edf3376	33f6	xor esi,esi
5edf3378	57	push edi
5edf3379	8bfe	mov edi,esi
5edf337b	397314	cmp dword ptr [ebx+14h],esi
5edf337e	0f86df000000	jbe AcroRd32!AX_PDXlateToHostEx+0x25e235 (5edf3463)
5edf3384	8b4318	mov eax,dword ptr [ebx+18h]
5edf3387	8b04b8	mov eax,dword ptr [eax+edi*4]
5edf338a	397040	cmp dword ptr [eax+40h],esi
5edf338d	0f84c6000000	je AcroRd32!AX_PDXlateToHostEx+0x25e22b (5edf3459)
5edf3393	66397024	cmp word ptr [eax+24h],si
5edf3397	0f85af000000	jne AcroRd32!AX_PDXlateToHostEx+0x25e21e (5edf344c)
5edf339d	89482c	mov dword ptr [eax+2Ch],ecx
5edf33a0	8b4318	mov eax,dword ptr [ebx+18h]
5edf33a3	8b0cb8	mov ecx,dword ptr [eax+edi*4]
5edf33a6	0fb64104	movzx eax,byte ptr [ecx+4]
5edf33aa	83f827	cmp eax,27h
5edf33ad	7f55	jg AcroRd32!AX_PDXlateToHostEx+0x25e1d6 (5edf3404)
5edf33af	744c	je AcroRd32!AX_PDXlateToHostEx+0x25e1cf (5edf33fd)
5edf33b1	83f814	cmp eax,14h
5edf33b4	7f36	jg AcroRd32!AX_PDXlateToHostEx+0x25e1be (5edf33ec)
5edf33b6	742d	je AcroRd32!AX_PDXlateToHostEx+0x25e1b7 (5edf33e5)
5edf33b8	2bc6	sub eax,esi
5edf33ba	7422	je AcroRd32!AX_PDXlateToHostEx+0x25e1b0 (5edf33de)
5edf33bc	83e804	sub eax,4
5edf33bf	7413	je AcroRd32!AX_PDXlateToHostEx+0x25e1a6 (5edf33d4)
5edf33c1	48	dec eax
5edf33c2	48	dec eax
5edf33c3	740f	je AcroRd32!AX_PDXlateToHostEx+0x25e1a6 (5edf33d4)
5edf33c5	48	dec eax
5edf33c6	740c	je AcroRd32!AX_PDXlateToHostEx+0x25e1a6 (5edf33d4)
5edf33c8	83e809	sub eax,9
5edf33cb	757c	jne AcroRd32!AX_PDXlateToHostEx+0x25e21b (5edf3449)
5edf33cd	e80f150100	call AcroRd32!CTJPEGRect::operator=+0x48c0 (5ee048e1)
5edf33d2	eb71	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf33d4	56	push esi
5edf33d5	56	push esi
5edf33d6	56	push esi
5edf33d7	e8100a0100	call AcroRd32!CTJPEGRect::operator=+0x3dcb (5ee03dec)
5edf33dc	eb67	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf33de	e879ec0000	call AcroRd32!CTJPEGRect::operator=+0x203b (5ee0205c)
5edf33e3	eb60	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf33e5	e85d170100	call AcroRd32!CTJPEGRect::operator=+0x4b26 (5ee04b47)
5edf33ea	eb59	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf33ec	83e816	sub eax,16h
5edf33ef	74f4	je AcroRd32!AX_PDXlateToHostEx+0x25e1b7 (5edf33e5)
5edf33f1	48	dec eax
5edf33f2	74f1	je AcroRd32!AX_PDXlateToHostEx+0x25e1b7 (5edf33e5)
5edf33f4	83e80d	sub eax,0Dh
5edf33f7	7404	je AcroRd32!AX_PDXlateToHostEx+0x25e1cf (5edf33fd)
5edf33f9	48	dec eax
5edf33fa	48	dec eax
5edf33fb	754c	jne AcroRd32!AX_PDXlateToHostEx+0x25e21b (5edf3449)
5edf33fd	e8211f0100	call AcroRd32!CTJPEGRect::operator=+0x5302 (5ee05323) // call
5edf3402	eb41	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445) // return address
5edf3404	83f832	cmp eax,32h
5edf3407	7f28	jg AcroRd32!AX_PDXlateToHostEx+0x25e203 (5edf3431)
5edf3409	741f	je AcroRd32!AX_PDXlateToHostEx+0x25e1fc (5edf342a)
5edf340b	83e828	sub eax,28h
5edf340e	7413	je AcroRd32!AX_PDXlateToHostEx+0x25e1f5 (5edf3423)
5edf3410	48	dec eax
5edf3411	48	dec eax
5edf3412	740f	je AcroRd32!AX_PDXlateToHostEx+0x25e1f5 (5edf3423)
5edf3414	48	dec eax
5edf3415	740c	je AcroRd32!AX_PDXlateToHostEx+0x25e1f5 (5edf3423)
5edf3417	83e805	sub eax,5
5edf341a	752d	jne AcroRd32!AX_PDXlateToHostEx+0x25e21b (5edf3449)
5edf341c	e8b6e10000	call AcroRd32!CTJPEGRect::operator=+0x15b6 (5ee015d7)
5edf3421	eb22	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf3423	e8d8200100	call AcroRd32!CTJPEGRect::operator=+0x54df (5ee05500)
5edf3428	eb1b	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf342a	e862000000	call AcroRd32!AX_PDXlateToHostEx+0x25e263 (5edf3491)
5edf342f	eb14	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf3431	83e833	sub eax,33h
5edf3434	740d	je AcroRd32!AX_PDXlateToHostEx+0x25e215 (5edf3443)
5edf3436	48	dec eax
5edf3437	7410	je AcroRd32!AX_PDXlateToHostEx+0x25e21b (5edf3449)
5edf3439	48	dec eax
5edf343a	750d	jne AcroRd32!AX_PDXlateToHostEx+0x25e21b (5edf3449)
5edf343c	e8a8220100	call AcroRd32!CTJPEGRect::operator=+0x56c8 (5ee056e9)
5edf3441	eb02	jmp AcroRd32!AX_PDXlateToHostEx+0x25e217 (5edf3445)
5edf3443	8bc6	mov eax,esi
5edf3445	85c0	test eax,eax
5edf3447	7541	jne AcroRd32!AX_PDXlateToHostEx+0x25e25c (5edf348a)
5edf3449	8b4dfc	mov ecx,dword ptr [ebp-4]
5edf344c	8b4318	mov eax,dword ptr [ebx+18h]
5edf344f	33d2	xor edx,edx
5edf3451	42	inc edx
5edf3452	8b04b8	mov eax,dword ptr [eax+edi*4]
5edf3455	66895024	mov word ptr [eax+24h],dx
5edf3459	47	inc edi
5edf345a	3b7b14	cmp edi,dword ptr [ebx+14h]
5edf345d	0f8221ffffff	jb AcroRd32!AX_PDXlateToHostEx+0x25e156 (5edf3384)
5edf3463	51	push ecx
5edf3464	e8b5c7a3ff	call AcroRd32!AcroWinMainSandbox+0x5c9a (5e82fc1e)
5edf3469	59	pop ecx
5edf346a	39730c	cmp dword ptr [ebx+0Ch],esi
5edf346d	7619	jbe AcroRd32!AX_PDXlateToHostEx+0x25e25a (5edf3488)
5edf346f	8bfe	mov edi,esi
5edf3471	8b4b10	mov ecx,dword ptr [ebx+10h]
5edf3474	03cf	add ecx,edi
5edf3476	e861e20000	call AcroRd32!CTJPEGRect::operator=+0x16bb (5ee016dc)
5edf347b	85c0	test eax,eax
5edf347d	750b	jne AcroRd32!AX_PDXlateToHostEx+0x25e25c (5edf348a)

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Binary information

AcroRd32.exe

Loaded symbol image file	c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
Image path	AcroRd32.exe
Image name	AcroRd32.exe
Timestamp	Fri May 11 00:19:40 2018 (5AF4C57C)
CheckSum	0022F148
ImageSize	00230000
File version	18.11.20040.19174
Product version	18.11.20040.19174
File flags	0 (Mask 3F)
File OS	50004 CE Win32
File type	1.0 App
File date	00000000.00000000
Translations	0409.04e4
CompanyName	Adobe Systems Incorporated
ProductName	Adobe Acrobat Reader DC
OriginalFilename	AcroRd32.exe
ProductVersion	18.11.20040.281318
FileVersion	18.11.20040.281318
FileDescription	Adobe Acrobat Reader DC
LegalCopyright	Copyright 1984-2017 Adobe Systems Incorporated and its licensors. All rights reserved.

AcroRd32.dll

Loaded symbol image file	c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.dll
Image path	c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.dll
Image name	AcroRd32.dll
Timestamp	Fri May 11 00:19:00 2018 (5AF4C554)
CheckSum	016EAE0A
ImageSize	01722000
File version	18.11.20040.19174
Product version	18.11.20040.19174
File flags	0 (Mask 3F)
File OS	50004 CE Win32
File type	2.0 Dll
File date	00000000.00000000
Translations	0409.04e4

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Application and cdb output log

*** wait with pending attach
************* Path validation summary **************
Response Time (ms) Location
Deferred cache*
Deferred srv*http://msdl.microsoft.com/download/symbols
Deferred symsrv*symsrv.dll*C:\Windows\Symbols*http://msdl.microsoft.com/download/symbols
Symbol search path is: cache*;srv*http://msdl.microsoft.com/download/symbols;symsrv*symsrv.dll*C:\Windows\Symbols*http://msdl.microsoft.com/download/symbols
Executable search path is:
Page heap: pid 0x4C58: page heap enabled with flags 0x3.
Page heap: pid 0x4C58: page heap enabled with flags 0x3.
Proxy object acquired for read by thread 16608.
Thread 16608 releasing Proxy object acquired for read.
(4c58.3804): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
*** ERROR: Symbol file could not be found. Defaulted to export symbols for c:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.dll -

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