Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9bf98d2f10d211…

MALICIOUS

PDF

42.2 KB
MD5: 3a6cf0972a483ca6287ed7ac1a82bc9b SHA-1: f48dc45b1bca7b91c7cf8037be8cef4b6ce78a5e SHA-256: 2e9bf98d2f10d2119a51b486d6f7eed5f10a6391588f8797aa22ca7068a5bdab
156 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1553.005 Mark-of-the-Web Bypass

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36830. Heuristics indicate the presence of an embedded script payload and an embedded file, suggesting the PDF is designed to exploit vulnerabilities or trick the user into executing malicious code. The embedded URLs are benign or unknown, and no document body text was available for analysis.

Heuristics 6

  • ClamAV: Pdf.Exploit.Agent-36830 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36830
  • 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.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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_file_obj0008.bin
ee4e423aa30d1de4371efdb978c54880b285c0dc979a083837be1d943ff47044		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 42419 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36830
Obfuscation or payload: unlikely

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