Malicious PDF — malware analysis report

Static analysis result for SHA-256 86d909b43912cd7a…

MALICIOUS

PDF

24.1 KB
MD5: c3ac170a3a7238b3b51868b945a75589 SHA-1: 29681f16a5c5407d73dbb8e8591567d380a585c9 SHA-256: 86d909b43912cd7a366769ed71d93c8e7e0a1cd35c597b0f66324a397c034443
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains XFA (XML Forms Architecture) data, which is known to be a vector for exploits. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. The embedded URL, while seemingly benign, is part of the XFA structure and could be used to fetch additional malicious content. The ClamAV detection further confirms the malicious nature of the file.

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-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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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