PDF malware analysis — malicious · ac051a593e0adbb4

MALICIOUS

PDF

102.8 KB

MD5: 96fe7d95a6b563a90eca92c62ba8b9d9 SHA-1: b0bfbbb5562b5ed63e966e624154dc10767f945b SHA-256: ac051a593e0adbb49a6dbbcdc3c1077c41a538e21f70c076b0caf1ed723c5aef

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identifying it as Pdf.Exploit.Agent-6136306-0. The presence of an XFA form and an embedded script payload indicates an attempt to execute malicious code. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality 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_0000025e.bin` `381e9237a401025f16dda71fd22a1248dd0789c19e751d53a36cf31ec11e4ee8`	pdf-embedded-script	PDF raw stream script payload at offset 0x25E	104497 bytes

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