Malicious PDF — malware analysis report

Static analysis result for SHA-256 95545dbed406759e…

MALICIOUS

PDF

20.2 KB
MD5: f186618d5d0b1b76fc19e0d5d6fd7c5f SHA-1: 5884312d4f8c35a111e60c916d78151604b3a6f7 SHA-256: 95545dbed406759e07630336de3c33c266ec73d6d9a3205ddb5572080d8b9d1d
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting vulnerabilities. Specifically, the CVE-2010-0188 heuristic indicates a LibTIFF XFA image exploit. ClamAV also detected this file as Pdf.Exploit.Agent-36826. The embedded URL, while not directly malicious in this context, is associated with XFA templates.

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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