Malicious PDF — malware analysis report

Static analysis result for SHA-256 f686a55a9bfa0ccc…

MALICIOUS

PDF

12.8 KB
MD5: da31696ce5c440da95a0e81352ea6016 SHA-1: 3544f6ed0668f34b91daef54eef87d97ec181a0f SHA-256: f686a55a9bfa0ccc588f98e0468094ffcfabe1d348c8fc54783e4e9e57ee8b04
118 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-6136306-0'. An embedded script payload was identified, indicating the PDF is designed to execute malicious code. The ML classifier also strongly indicated maliciousness. The embedded URL is likely part of the exploit chain.

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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
be671829ddfe2a12cbf366548599e07959ded5959e3d068cb09ed77b68e2b9ba		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12388 bytes

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