Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c4099b8be925b6f…

MALICIOUS

PDF

17.5 KB
MD5: c1b7fc8f93b673b7e073d3afaba9567a SHA-1: 20b1212716d960e3dad0ba023868c0af39d802cf SHA-256: 5c4099b8be925b6f6009f562f63782078b8d48ce1e8c929d63976330a0c8c79d
108 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-6136306-0', indicating it contains an exploit. The presence of XFA forms and embedded files suggests a mechanism for delivering malicious content. The ML classifier also strongly indicated maliciousness. While no specific URLs or scripts were directly actionable, the exploit nature points to a downloader or dropper.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/