Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dc1c3147b0e83c2…

MALICIOUS

PDF

24.1 KB
MD5: b8aa30b668040136d5a65bcabecc8d25 SHA-1: ec7aeb3a5058f4e691d082de5d6b3af9181f813b SHA-256: 6dc1c3147b0e83c24d497df4f05930d313baab861890031b208bca8ae131c0c2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, which targets Adobe Reader's LibTIFF XFA image parsing. The XFA form structure and the embedded URL suggest an attempt to exploit this vulnerability. The exploit likely leads to the execution of a second-stage payload, as indicated by the ML classifier and ClamAV detection.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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