Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e5baab25ecd8de…

MALICIOUS

PDF

42.5 KB
MD5: 7868401286a580f959c3f1ece5764ead SHA-1: de21e4716621e2767f90a576c5a251be26f64f94 SHA-256: 00e5baab25ecd8def87461ca631ba9cd3bb5898af52320794e6a8376ec7f870a
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter

The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier, with ClamAV specifically detecting it as 'Pdf.Exploit.Agent-36830'. The PDF contains embedded script content and an embedded file, indicating it is designed to exploit vulnerabilities and deliver a secondary payload. The embedded script, though obfuscated, suggests an attempt to execute malicious code.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
e599447f22c530a21fc799c8c257ffe224f0377f12c5320f960a682a946b4a92		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 42761 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36830
Obfuscation or payload: unlikely

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