PDF malware analysis — malicious · 4218773e9c1aaefb

MALICIOUS

PDF

97.0 KB

MD5: 287d0f5608b1d08ff735f283a10c271e SHA-1: 7f639c84d6d8259a481692d850fc22fe1ea1d9cb SHA-256: 4218773e9c1aaefb145396682d80848edcd1a1ab8525eace17508c1b8754b554

120 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

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. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploit execution. The XFA form detected also points to a complex PDF structure often used for exploits. The embedded script is the primary mechanism for delivering the malicious payload.

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` `dacabf686d4bf2d58b39b86d8ce35c2d63ad8f6bd40eaceefff6e8989c399517`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98657 bytes

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