Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6493f6ca5c01552…

MALICIOUS

PDF

79.4 KB
MD5: f6a2d9c953972c98246472502a50e139 SHA-1: d12083625275819ca5723ba86dcc1612ca694ea2 SHA-256: f6493f6ca5c0155224d5e60d8a04ba6b31930287db6570ac37cc7dbc3e25772e
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 XFA form heuristics, 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
d34a0b585e1b23fe2e9ca229844e0a7a43a08ee195449decb0afe3740ca01e9f		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80624 bytes

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