Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9936faaa95992ed…

MALICIOUS

PDF

102.0 KB
MD5: 656d8c1d1a6071d11ba6bdf4a50461f4 SHA-1: 77d7ae52f53efdb48cefad4f487839aab8a87201 SHA-256: f9936faaa95992edc71019414e8ba0d1a1aee5942a2c23f09a095af578d71859
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an XFA form and an embedded script payload, strongly indicating malicious intent. ClamAV detected this as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for executing the exploit, although its specific actions are not detailed in the provided evidence. The presence of XFA suggests an attempt to leverage form functionality for exploitation.

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
4caac5c41cd961dde006dccbf1e9447b38f2cd60787eb28166ec7365927f33e8		 pdf-embedded-script PDF raw stream script payload at offset 0x246 103712 bytes

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