Malicious PDF — malware analysis report

Static analysis result for SHA-256 27acdd20fd28c200…

MALICIOUS

PDF

24.1 KB
MD5: e4497499ab5a752d43b95a286bcecc0f SHA-1: 3d3fef6dcab71ca303152b288e5b40ddec8160f3 SHA-256: 27acdd20fd28c2001ce7f33890a4a8f1e423d907d7ec07b13214d376b6d2e6af
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample 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 the LibTIFF component via CVE-2010-0188. This exploit likely downloads and executes a second-stage payload. The embedded URL, while benign in reputation, is part of the XFA template 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-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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