Malicious PDF — malware analysis report

Static analysis result for SHA-256 d47f164e2bb4924e…

MALICIOUS

PDF

93.4 KB
MD5: 9648a3ca68c6c5b5637b99edd2c14e78 SHA-1: 87ee0841de0c560abeea7a542f65c693dc3bc51e SHA-256: d47f164e2bb4924eeb7fdc486c7afbe1d584912c4ac580ba80f7d5500c2c7e75
148 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with multiple critical detections, specifically 'Pdf.Exploit.Agent-6136306-0' and 'Pdf.Exploit.Agent-36769' on an extracted artifact. The presence of an XFA form and an embedded script payload indicates a likely exploit attempt within the PDF document itself. The embedded script is likely responsible for delivering the malicious payload, although its specific actions are not detailed in the provided evidence.

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
e5e5dfb2ef6e0b0adc14c11195949ac58fb1045573010ce1802b4f615f0b5f7c		 pdf-embedded-script PDF raw stream script payload at offset 0x246 94922 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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