Malicious PDF — malware analysis report

Static analysis result for SHA-256 80ecde1c39ffead8…

MALICIOUS

PDF

12.8 KB
MD5: 6de46f380cf6999c0ea1cd0b8a623341 SHA-1: 84a06e2d0b2d89ed1739318bd6e0e014203e9dbc SHA-256: 80ecde1c39ffead81c58a04452a875bd3312d887c7ff70a928b50190ec3867dc
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.007 JavaScript

The PDF file contains an embedded script payload, as indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic and the presence of an embedded PDF script artifact. ClamAV also detected this file as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for downloading and executing a second-stage payload. The XFA form structure is also noted, which can sometimes be leveraged for exploitation.

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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
c15c6340a14bcbbaac01bdb010d5892e5258a3985e0af9f25751d431dae7744b		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12340 bytes

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