PDF malware analysis — malicious · 8a129bd591b34b82

MALICIOUS

PDF

100.4 KB

MD5: 2a17b7fdcac4c3608ddc673066efe249 SHA-1: 6b868ece32626e0e2de73ae38ff78ecedf2d27ff SHA-256: 8a129bd591b34b82a1463777ddfaae21697098ed7ebfe5639117df86eb395215

120 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious PDF T1059.001 Command and Scripting Interpreter: PowerShell

The PDF utilizes XFA forms, a known vector for embedding malicious content. A critical ClamAV detection and a high ML classifier score indicate malicious intent. An embedded script payload was also identified, likely responsible for executing the exploit and delivering a secondary payload, though its exact function is obscured by obfuscation.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.

Filename	Kind	Source	Size
`embedded_pdf_script_00000246.bin` `fe6ef044631ecfb2ac2079950e84c69a6c6a724e0ee01e3d04c869ef4c540b26`	pdf-embedded-script	PDF raw stream script payload at offset 0x246	102040 bytes

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