Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a5ae0f234e2cfcf…

MALICIOUS

PDF

97.3 KB
MD5: 5bdce6af03a270233f10cd8d20f2004e SHA-1: 001e1a0a535020dfbfd48649b1c5090b989aca8e SHA-256: 9a5ae0f234e2cfcf7a612c742363b42250ff89a5d94dc052b98702d9634acd81
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an embedded script payload and triggers XFA form heuristics, indicating it's designed to exploit vulnerabilities. ClamAV detection confirms its malicious nature. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact function is obscured by the PDF structure.

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
967c8d7a9fee4689eaec9df281210849b78a7ca69d12155e5e1f8a422d14cb6a		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98873 bytes

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