Malicious PDF — malware analysis report

Static analysis result for SHA-256 34bdce5bb64de6b9…

MALICIOUS

PDF

97.1 KB
MD5: 657c1b14f0c4ab7e7618af54860a193e SHA-1: fe39e8803302f0133a5fca64438ddf1cb8f8da54 SHA-256: 34bdce5bb64de6b9bb02e9436944bbffb561996460891ce2d241c4eb0c74f4e3
88 Risk Score

Malware Insights

MITRE ATT&CK
T1059 Command and Scripting Interpreter

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic and the presence of an embedded binary artifact. The ClamAV detection 'Pdf.Exploit.Agent-6136306-0' strongly suggests exploitation of a known PDF vulnerability. The XFA form detected also points to a potential attack vector within the PDF structure. The embedded script is likely responsible for executing the malicious payload.

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_0000026c.bin
458db8d6f5c42d849d8f87c1bfbcd8989093582af0bd462a501bd0f4eb0a11c6		 pdf-embedded-script PDF raw stream script payload at offset 0x26C 98659 bytes

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