PDF malware analysis — malicious · 86c8db71c34f6315

MALICIOUS

PDF

97.1 KB

MD5: cf9feeee21b93cc86446ead175e41e26 SHA-1: bd1f1282db6f1aa6c0f0eab8c110afaf7712faca SHA-256: 86c8db71c34f6315b2ad2a61d791993c3316c636cefa707d2b6a82ecc287b440

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter

The PDF file contains an XFA form and an embedded script payload, which is a common technique for delivering exploits. ClamAV detected this as Pdf.Exploit.Agent-6136306-0, and ML classification strongly indicates maliciousness. The embedded script is likely responsible for executing the malicious payload, though its exact function is obscured by the PDF structure.

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_0000026c.bin` `96fb0aa5a61786ef78433c09d8420519a84d8cbcac01dddc2faa91d22727ee17`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98659 bytes

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