Malicious PDF — malware analysis report

Static analysis result for SHA-256 e470d5da0bb6646e…

MALICIOUS

PDF

28.5 KB
MD5: 43d621ad6249df3b464f45781c50e7a1 SHA-1: c31febb671c0bbee03ea77dc2fe5c368b362f217 SHA-256: e470d5da0bb6646ed800c767d49b2ae5f6db194ad6083ceacbc1421aef9c396d
68 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The critical ClamAV heuristic indicates this PDF contains JavaScript exploitation. The embedded URL, while seemingly benign, is associated with XFA forms, a known vector for PDF exploits. The obfuscated JavaScript in the document body, when deobfuscated, reveals code that likely attempts to download and execute a second-stage payload. The XFA form heuristic further supports the exploitation vector.

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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