Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4203612485a605c…

MALICIOUS

PDF

28.5 KB
MD5: 29ca6e73b1820f5ab8e74c981224aa9c SHA-1: a144cf4e40d0a13ae4d53ebc82bb4fc74b67cc2c SHA-256: d4203612485a605c4a5bfa311b51c0e62d81152a67acbc1ae348e063bccdbe16
98 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF containing an XFA form, which is often used to deliver exploits. ClamAV detected it as Js.Exploit.HTML-30, indicating the presence of malicious JavaScript. The ML classifier also strongly flagged the file as malicious. The embedded URL is likely part of the exploit chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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
  • 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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