Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0482770885f5609…

MALICIOUS

PDF

42.3 KB
MD5: 83cdd930560867eee52211d92d035fb6 SHA-1: 0ab339117ce7ba3a7d5d6b9997f2742e525eabca SHA-256: f0482770885f56090f0aed56392c37d65ee96388e3d670d50b3bdc33f28bc72b
156 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File

The PDF file contains embedded script content and is detected by ClamAV as Pdf.Exploit.Agent-36830, indicating it is designed to exploit vulnerabilities. The embedded script, though obfuscated, suggests the execution of malicious code. The presence of embedded URLs further supports the attack pattern of delivering a malicious payload.

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
b972948c1f91f66a7cef5caf5c23af4c7b6e709fe894729aa57abdc1430f7749		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 42602 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36830
Obfuscation or payload: unlikely

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