Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4207f7b70193856…

MALICIOUS

PDF

20.2 KB
MD5: 7436df82bca92f1edfb917fc14f13fd1 SHA-1: 501cf5fbfe8756f4ecae01d76b6e946c54ae22f0 SHA-256: f4207f7b701938561ac99193c44ec6f07acc337ecd38ec4d2151a7c2126a010a
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploitation. Specifically, the critical heuristic firing indicates a CVE-2010-0188 exploit targeting LibTIFF within Adobe Reader's XFA processing. This exploit likely downloads and executes a second-stage payload. The embedded URL, while benign in reputation, is part of the XFA structure.

Heuristics 4

  • 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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • 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://www.xfa.org/schema/xfa-template/2.5/

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