Malicious PDF — malware analysis report

Static analysis result for SHA-256 22a433a7770f3777…

MALICIOUS

PDF

100.5 KB
MD5: 4c1df9aa6de21a7cffa18b6b9ad60703 SHA-1: 85f8bbe8500a9bf57462ae309b9cbda74929c1f6 SHA-256: 22a433a7770f37775de8e78c9772f9a1d483c42015f6e874bb3fec812827f1fd
88 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file utilizes XFA forms, a known vector for exploitation. A critical ClamAV heuristic identified it as 'Pdf.Exploit.Agent-6136306-0', indicating a known exploit. An embedded script payload was also detected, suggesting the PDF is designed to download and execute a secondary malicious component.

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
5222bb1ca75ce6af7672601916b45dafa345d57f1307ecf07efaf7d61e46e04f		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102152 bytes

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