Malicious PDF — malware analysis report

Static analysis result for SHA-256 95d826cbadddf8d0…

MALICIOUS

PDF

97.1 KB
MD5: 3f0788c5a7d86c8edb7b6566b9345d32 SHA-1: 792bdc859fefe25cc50f65a5aae2b82c202b41ff SHA-256: 95d826cbadddf8d003b58ff172c050404df76cb62af9b48a7f3c9ce46acce9be
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious Attachment T1059.007 Scripting: JavaScript

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 delivering the secondary 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
d1cd66d7db7956a72d1d2a009e1f5ff20288932bb62d8eb1c0f2fba430ca6939		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98659 bytes

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