Malicious PDF — malware analysis report

Static analysis result for SHA-256 9497a0e96a4a3824…

MALICIOUS

PDF

93.6 KB
MD5: 0371570f0dea05ae27bf20e1ea32522f SHA-1: 8e31592ff57e55ca1290fa6ab7857bd8e2657215 SHA-256: 9497a0e96a4a3824417b8ed5494201491b0e5681323f82dedae06a277deb5e74
178 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers multiple high-severity heuristics, including ClamAV detections for PDF exploits. The presence of XFA form elements and embedded scripts strongly suggests an exploit attempt. While specific script content is not detailed, the overall indicators point to a malicious PDF designed to leverage an exploit.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
09b416c8200d395c0b7347dcb127edf263824e31c7bc71e06f583406e70280cf		 pdf-embedded-script PDF raw stream script payload at offset 0x246 95096 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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