Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd8547071e55c04a…

MALICIOUS

PDF

100.8 KB
MD5: 7024a8fb274aa29ad2d64f28e7659e7b SHA-1: 34aa06795fadf13c25c875f909484495140334e7 SHA-256: bd8547071e55c04aef85d90fb0f2d61d9d598f751da032719df560a94d3bcb4b
88 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers heuristics related to XFA forms and embedded scripts, indicating an exploit attempt. ClamAV detection further confirms its malicious nature. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured.

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
d344661f5d9264f11da1ef0dd8a1512696242c880ba0f49c5fa39b9a67e07e26		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102484 bytes

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