Malicious PDF — malware analysis report

Static analysis result for SHA-256 406dd5026747a13f…

MALICIOUS

PDF

122.1 KB
MD5: 83562a02390930609596732c515ddf4d SHA-1: d0699186ba79795da6216de96de4e33700d1b9c1 SHA-256: 406dd5026747a13f9f86bd8ba1d166b1abee5cf60dba9dd9dae829773f84ea13
70 Risk Score

Malware Insights

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

The critical ClamAV heuristic indicates this PDF is a known exploit, specifically 'Pdf.Exploit.Dropped-78'. The presence of an XFA form and an embedded URL further supports its malicious nature. The embedded URL, 'http://www.xfa.org/schema/xfa-template/2.5/', is likely used to download and execute a secondary malicious payload.

Heuristics 4

  • ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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/