Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b2ed6ff1f37aef2…

MALICIOUS

PDF

32.0 KB
MD5: 5d8f4517725a97dd78533b6784d6f9ca SHA-1: f28c68e420a470fa5b38eb34604df0cc660cb5b8 SHA-256: 1b2ed6ff1f37aef28b2d0dc6a956afc511e93af4e4ef0e73aa624190ee6d1821
70 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains an XFA form and triggered a ClamAV detection for Js.Exploit.HTML-30, indicating it likely contains embedded JavaScript designed to exploit a vulnerability. The embedded URL is likely part of the exploit chain. The XFA form itself is a common vector for such attacks.

Heuristics 4

  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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/

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