Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf8756fd5f7df4f6…

MALICIOUS

PDF

79.4 KB
MD5: 545d6274ad99d80f88d5806d0ea613ff SHA-1: 841f6dc2d919dd2860870cfad54ee13d0cc2057c SHA-256: cf8756fd5f7df4f6aeed885c3a5cb4e94acbf9f4066aca9225b9110d5163f1e7
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers heuristics related to XFA forms and embedded scripts, indicating an exploit attempt. ClamAV detection as Pdf.Exploit.Agent-6136306-0 further confirms malicious intent. The embedded script is likely responsible for executing the exploit, potentially downloading a second-stage payload.

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
d481017e18843715633a83b27e1dd0b5c11012ad9cbff2779203800090a6e04f		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80624 bytes

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