Malicious PDF — malware analysis report

Static analysis result for SHA-256 32cb49a24d6aa62a…

MALICIOUS

PDF

111.4 KB
MD5: 00899c287b0c6a5a8fb120b98f4bdc64 SHA-1: 468b30b812e045cb90cd3f1b438ff168910df9af SHA-256: 32cb49a24d6aa62a0daaf65efd951de4ee85c4f9019a8fbd717980f73b3789f3
118 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identifying it as Pdf.Exploit.Agent-6136306-0. The presence of an embedded script payload and XFA form further indicates malicious intent. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • 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_0000026a.bin
e51e5f230f128885a0792640bfb9600eb57c86c3f6a39749cb9571113786b44e		 pdf-embedded-script PDF raw stream script payload at offset 0x26A 113313 bytes

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