Malicious PDF — malware analysis report

Static analysis result for SHA-256 424902e8fd46d4f6…

MALICIOUS

PDF

97.3 KB
MD5: b1208d6d38b242834a2044247860fc47 SHA-1: 06d213f4dc169cf2df36161bbac164f28b8ee6f1 SHA-256: 424902e8fd46d4f65ecebac536d7b7348767c9735ff4308d83f789215638c09b
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 it is designed to exploit vulnerabilities. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded script is likely responsible for executing the exploit, leading to the download or execution of a secondary payload.

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_0000026c.bin
7b12f36dd7d66e630c14e24165854888171eee70fb67385c125776f83147ca5a		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98873 bytes

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