Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6bd913a227a2e50…

MALICIOUS

PDF

100.5 KB
MD5: 743967bf87056bf1d567b159767b307a SHA-1: 8ca5f8b6530203aad7770a8be4ae65372825ab1b SHA-256: a6bd913a227a2e5021a4532d39d891251b04213ec3fad77f307054809f77713c
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggered a critical ClamAV detection for 'Pdf.Exploit.Agent-6136306-0'. The presence of XFA form elements and an embedded script suggests an exploit designed to execute malicious code. The embedded script is likely responsible for downloading and executing a second-stage payload, although its exact functionality is obscured by obfuscation.

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_00000246.bin
38181dc14b50546d3b2f56e32c3dc6045607d0fb861a06e54492394eeed2bfa9		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102152 bytes

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