Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e0bebdbe0c33c22…

MALICIOUS

PDF

16.6 KB
MD5: b85ba574edb4de74ea1150090d584a55 SHA-1: c8b255e9065066ff0b66db03e884e86fb5d8452c SHA-256: 1e0bebdbe0c33c222c14c4379459bffc2257f95497c36f5e79c9997d030ac0d3
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF file that contains XFA (XML Forms Architecture) content, which is known to be a vector for exploits. Specifically, the 'CVE_2010_0188' heuristic indicates a critical vulnerability in Adobe Reader related to LibTIFF processing within XFA forms. The embedded script, although obfuscated, appears to be JavaScript that attempts to reconstruct a URL and potentially download a second-stage payload. The presence of an embedded URL further supports this attack vector.

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-36835 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36835
  • 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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