Malicious PDF — malware analysis report

Static analysis result for SHA-256 b981c79d3194ce6e…

MALICIOUS

PDF

28.6 KB
MD5: 64aa1fadde87c31334e0e632a84d2e8a SHA-1: 2243ebd523ada3e979bc4942a08818ae174e103d SHA-256: b981c79d3194ce6e3be5645a8908d636b181727252d58ffd14f919438d39297d
68 Risk Score

Malware Insights

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

The PDF file contains an XFA form and is detected by ClamAV as Js.Exploit.HTML-30, indicating it leverages JavaScript for exploitation. The embedded URL, while seemingly benign, is often used in conjunction with exploit delivery. The script's intent is to exploit a vulnerability within the PDF reader to download and execute a second-stage payload.

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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