Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e96f893c2b8d1fe…

MALICIOUS

PDF

51.9 KB
MD5: 66110466163ffcf3a574b811aa21558c SHA-1: 8cfc9d2269a187e2c3a8ba16fcb9fd0ef0bdcd06 SHA-256: 2e96f893c2b8d1fe37724f6f2aba151baeddb0dfc2c0eec1597b72c55db608f4
88 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file utilizes XFA forms and contains an embedded script payload, as indicated by the PDF_XFA and PDF_EMBEDDED_SCRIPT_PAYLOAD heuristics. ClamAV detection confirms its malicious nature. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured. The presence of XFA suggests an attempt to leverage Adobe Reader vulnerabilities.

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_00000240.bin
6b28681ff05a97db645e29d304e76afaab6a0b6b15ac1861ae232429f1608b12		 pdf-embedded-script PDF raw stream script payload at offset 0x240 52444 bytes

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