Malicious PDF — malware analysis report

Static analysis result for SHA-256 94ac885e3ca71eaf…

MALICIOUS

PDF

100.4 KB
MD5: d55841deb9ec83b6b620b98b7484e2c6 SHA-1: 7b7109e3a5f23b0b7a89b62fc19b6f15aa48a231 SHA-256: 94ac885e3ca71eafdcdd99f2b59d90046188350f55d94e28039c56f9f874a75d
118 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers XFA form heuristics, indicating it is designed to exploit PDF vulnerabilities. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded script is likely responsible for executing the exploit, potentially leading to further malicious activity.

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_00000246.bin
8e1d103babdc15dcb338fe1c52960810a3562478f4d7b168ff50e13396058c22		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102040 bytes

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