Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8c383996deaec40…

MALICIOUS

PDF

100.7 KB
MD5: 539ce00440dccf9e0661122e636026c9 SHA-1: ca770381b692e3e1217916f5bdda1d3b0bfd341d SHA-256: f8c383996deaec40c2b801ed1d0ad9f663340df59e7f2eb663e32af8f69287c5
88 Risk Score

Malware Insights

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

The critical ClamAV detection 'Pdf.Exploit.Agent-6136306-0' and the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic indicate this PDF contains malicious embedded content. The 'PDF_XFA' heuristic suggests the exploit targets XFA forms. The embedded script is likely responsible for executing the malicious payload, though its exact function cannot be determined from the provided evidence.

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
f158185a3f465dda6f34cb817474280448edc868859187c6fd513190b5755a40		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102374 bytes

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