Malicious PDF — malware analysis report

Static analysis result for SHA-256 391fb157dd249ee0…

MALICIOUS

PDF

100.5 KB
MD5: 531013f19944a7e9aa551fc437763838 SHA-1: 73a5f7fd8d242aacd28e77892cde29e8af148d6b SHA-256: 391fb157dd249ee0e7ef2e9a86125bf5f788078ff404302bca467ab2e7b39379
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and utilizes XFA forms, indicating a potential exploit. ClamAV detection as Pdf.Exploit.Agent-6136306-0 further supports this. The embedded script is likely responsible for delivering the malicious payload, though its exact function 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_00000246.bin
a51a2c2e698ff97a7489a4ea9230ae36650f043c685422f5d651504ed094d86d		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102150 bytes

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