Malicious PDF — malware analysis report

Static analysis result for SHA-256 01967bffc96d8151…

MALICIOUS

PDF

100.4 KB
MD5: 4a87afd44751d0fe3ed12dad75f47cf7 SHA-1: aa5296d41e9ef4adb9ff06d2299756cf23fc7d0a SHA-256: 01967bffc96d8151fa6d542c0906487edde91404c75328eb3ff2fb3debf86a8e
120 Risk Score

Malware Insights

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

The PDF file contains an embedded XFA form and a script payload, flagged by multiple heuristics including ClamAV and an ML classifier. The embedded script, though heavily obfuscated, appears to be designed to download and execute a second-stage payload. The primary detection is ClamAV: Pdf.Exploit.Agent-6136306-0.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000246.bin
fa819abf121ac2bb36844dd6c88bb179c4ec07e75ce029e76a0bb8d755a0fc03		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102038 bytes

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