Malicious PDF — malware analysis report

Static analysis result for SHA-256 86208eed283841aa…

MALICIOUS

PDF

79.4 KB
MD5: 4c98be8a2fbfe65700fd331a759847aa SHA-1: 8c9a7da62c85f31bfcb6e4052b3bdb8f47b41a3e SHA-256: 86208eed283841aaabde4f4ea4aea77eeefbaaf7bcd6fff394a3314c925c83e0
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers a critical ClamAV detection for 'Pdf.Exploit.Agent-6136306-0'. The presence of XFA form elements and an embedded script suggests the file is designed to exploit PDF vulnerabilities. The embedded script is likely responsible for downloading and executing a second-stage payload, although its exact functionality is obscured by obfuscation.

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
4bbe9d3b5dae59758ca13d2eac8c934c32f0fc64a821b197defae75d10b5aa6a		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80624 bytes

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