Malicious PDF — malware analysis report

Heuristics 6

• 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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• XFA form low PDF_XFA
  PDF uses XML Forms Architecture — can contain script logic
• PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
  The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
• 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/ In PDF document text

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