Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9bce5b182ceb357…

MALICIOUS

PDF

79.0 KB
MD5: ffecc9784dd3203d59fb3b27dedd6053 SHA-1: bb081ef09109e24a18e6669e0f0ec469d3354b17 SHA-256: c9bce5b182ceb3571b724515cda1c4deb232de1a7cba92a1a9ba3d1dc317ef32
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. ClamAV detection as Pdf.Exploit.Agent-6136306-0 further confirms its malicious nature. The XFA form detected suggests the exploit targets XFA functionality within PDF viewers. The embedded script is likely responsible for executing the exploit, potentially leading to further stages of attack.

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_0000023c.bin
62d5b40275356368ab411b55b14d914948362e35ed98f41254c069df42e3336c		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80201 bytes

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