Malicious PDF — malware analysis report

Static analysis result for SHA-256 56640d8e96c9506a…

MALICIOUS

PDF

23.9 KB
MD5: aca7928d50fc6e4b92f74ffaf4dbae41 SHA-1: cf3635411432d19bac2987650dc77ed72b6e8448 SHA-256: 56640d8e96c9506aaf0f8df9f646c41faf20066081dff278e091932ae40e6707
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is a PDF document that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of LibTIFF within Adobe Reader. The embedded URL, while seemingly benign, is part of the XFA structure and likely used in the exploit chain. The ClamAV detection further confirms its malicious nature.

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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