Malicious PDF — malware analysis report

Static analysis result for SHA-256 35c0bf233c9a3df2…

MALICIOUS

PDF

79.4 KB
MD5: 62dad7710f968a2ea390be0c9b52453c SHA-1: a4b002bf8d6c6a4e00463e5c5a3623feb896d363 SHA-256: 35c0bf233c9a3df2e33de7288521c1cc1aaf05dc149eb7f01717a599986f3599
88 Risk Score

Malware Insights

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

The critical ClamAV detection 'Pdf.Exploit.Agent-6136306-0' and the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic indicate that this PDF contains an embedded script designed to exploit a vulnerability. The XFA form detected suggests a potential vector for this exploit. The embedded script likely downloads and executes a second-stage payload, contributing to the malicious nature of the file.

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
40bc52edd5e69923f90bc3eb087738a3fcbfe9c270b84591237600a6e549d60e		 pdf-embedded-script PDF raw stream script payload at offset 0x23C 80624 bytes

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