Malicious PDF — malware analysis report

Static analysis result for SHA-256 d594566e17143afa…

MALICIOUS

PDF

100.4 KB
MD5: 7dd48a6538f9310ce6287da654f50195 SHA-1: d6cd2b422918194137d9b3d8deac13ba31a74cde SHA-256: d594566e17143afa6b31c87da9897808990ac289d446fb4b7cb938c61f149102
148 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious PDF T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file utilizes XFA forms, a known vector for exploitation. ClamAV detections indicate it's a malicious PDF, likely an exploit agent. The embedded script payload, though not fully detailed, is the primary mechanism for delivering the malicious content. The embedded URLs are likely related to the XFA form structure or potential C2 communication.

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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
ffa452f2d1cc7b80328f4ecd0c3d05901dcf137e4e133303f89d6132e70540ef		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102044 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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