Malicious PDF — malware analysis report

Static analysis result for SHA-256 69d2e414e58ed78e…

MALICIOUS

PDF

79.8 KB
MD5: cb3abf04ad118accea635781fe862703 SHA-1: d522f567b372b97bb37d707577cdbbefa5251157 SHA-256: 69d2e414e58ed78e9be39519dd0c856554551824291e87b3a7299450a25018bb
168 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF file contains embedded XFA content that exploits CVE-2010-0188 in Adobe Reader, a known vulnerability for client-side code execution. The embedded JavaScript, though heavily obfuscated, is designed to download and execute a second-stage payload. ClamAV also detected this file as Pdf.Exploit.Agent-6136306-0, further confirming 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/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000288.bin
fc405266007ac0d78866491b3b63cfd788513ffa3b5a8787625d424f3fcf6ff9		 pdf-embedded-script PDF raw stream script payload at offset 0x288 81042 bytes

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