Malicious PDF — malware analysis report

Static analysis result for SHA-256 44f5ea74d02935c3…

MALICIOUS

PDF

100.4 KB
MD5: 5c6b2f5c1e998c42541cb90cfd0c8fbf SHA-1: 0fd12b3964a279a162ed07e105fd5591f8fe234c SHA-256: 44f5ea74d02935c3e77abc832b8c7ed842ed1f9fbb4bf7b769aa7e4efc38717d
88 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload and triggers XFA form heuristics, indicating a likely exploit. ClamAV detection as Pdf.Exploit.Agent-6136306-0 further confirms its malicious nature. The embedded script is likely responsible for downloading and executing a second-stage payload, although its exact functionality 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
b75637515764dc2263d5a745937365b6aafce81af61cb37a8a35e6788f073ff8		 pdf-embedded-script PDF raw stream script payload at offset 0x246 102040 bytes

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