Malicious PDF — malware analysis report

Static analysis result for SHA-256 e37bfd61f76695f2…

MALICIOUS

PDF

79.4 KB
MD5: c5e5ed3c12830750669ab4a1237c52c2 SHA-1: e7cc1e371a4b83bdb331d71294ae246aebc51383 SHA-256: e37bfd61f76695f24af954fb0d60968681c9a803535d8dfd8c8beeb29baded86
118 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic and confirmed by ClamAV detection as Pdf.Exploit.Agent-6136306-0. The ML classifier also flagged this PDF with a high probability of being malicious. The XFA form structure suggests an exploit targeting XFA processing. The embedded script is likely responsible for executing the malicious payload, leading to the overall malicious verdict.

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_0000023c.bin
43cb824f8c707fce0591b86e188dd6de441da36de0afb67e23ab6469fdd563f2		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80622 bytes

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