Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2dfff4a12884f69…

MALICIOUS

PDF

79.4 KB
MD5: 548a8fc932b335f805057f6a55e5da09 SHA-1: 9bfbdf12f75b49970fc3081ca223f895a7aa5483 SHA-256: b2dfff4a12884f69faba20e4e64f2b3984ee705930c34791652c712dec82ab97
88 Risk Score

Malware Insights

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

The critical ClamAV detection 'Pdf.Exploit.Agent-6136306-0' strongly indicates a known PDF exploit. The presence of an embedded script payload and XFA form further supports this, suggesting the script is designed to download and execute a malicious payload. The embedded script was too large and complex to analyze for specific actions, but the overall pattern points to a typical exploit delivery mechanism.

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
7c4d4a42dbf8ed4d9ca93d7fc9b8b3e38632df9b70636600c0845cdef8f48ac9		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80624 bytes

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