Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1e6c46a19d1dc0b…

MALICIOUS

PDF

79.4 KB
MD5: 1cf166c13bd2e84ef133728df9c61397 SHA-1: a6d2b5c4b37b57d5339892971d596cca5864cbf4 SHA-256: c1e6c46a19d1dc0b30051bcbe61d000c780d48d4391497b6ed3013a306ef57f9
118 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers heuristics related to XFA forms and embedded scripts, indicating an exploit attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded script is likely responsible for executing the exploit, leading to a malicious outcome.

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_0000023c.bin
23f2b84769ba6dae9544989f420fa2b1e24165aedc41c003a94039ed5178b8b2		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80622 bytes

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