Malicious PDF — malware analysis report

Static analysis result for SHA-256 fecb8f5a1db06a46…

MALICIOUS

PDF

31.7 KB
MD5: 8a31108b88c237e49d1151efe787670a SHA-1: 1a9b33a59fc7f4965cb5fd4672aca8556c0e3856 SHA-256: fecb8f5a1db06a468daeca87f7d2e48e3bc76a118fad66d60bc0a60d5c7b8776
68 Risk Score

Malware Insights

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

The PDF file contains an embedded URL and triggers a critical ClamAV heuristic indicating JavaScript exploitation (Js.Exploit.HTML-30). The XFA form detected suggests a potential vector for this exploitation. The embedded JavaScript, while obfuscated, appears to be designed to execute malicious code, likely downloading and executing a second-stage payload from the identified URL.

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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