Malicious PDF — malware analysis report

Static analysis result for SHA-256 99f710cb09054f11…

MALICIOUS

PDF

28.0 KB
MD5: 49c271053410ed4c3f5f0ddc6e4bf7c4 SHA-1: 212c118085a788dbf7df2dccd6f1cd9a6a8f0341 SHA-256: 99f710cb09054f1139d939173beea4b1a7de57835ba4331ecfc26ba5958caad0
68 Risk Score

Malware Insights

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

The file is a PDF containing an XFA form, which is a known vector for exploiting vulnerabilities. ClamAV detected it as Js.Exploit.HTML-30, indicating JavaScript-based exploitation. The embedded URL, while seemingly benign, is part of the exploit structure. The script likely attempts 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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