Malicious PDF — malware analysis report

Static analysis result for SHA-256 86698465c8a8509b…

MALICIOUS

PDF

28.0 KB
MD5: b1c624c368dec5b972a9ec4b758883cc SHA-1: e2902e8c8efc36a76421a73a859e6c06676760cf SHA-256: 86698465c8a8509b59efef503bb238537dc29be85da369830b4576bf8f5688d7
98 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ClamAV as Js.Exploit.HTML-30, indicating the presence of malicious JavaScript. The ML classifier also strongly indicated maliciousness. The embedded URL, while seemingly benign, is part of the document's structure and may be used in conjunction with the exploit. The XFA form suggests a complex document structure often used to hide malicious content.

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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