MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious PDF
T1059.001 Command and Scripting Interpreter: PowerShell
The file is identified as a malicious PDF by multiple heuristics, including a critical ClamAV detection and a high ML classifier score. The presence of an XFA form and an embedded script payload indicates an attempt to exploit vulnerabilities or execute malicious code. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured by the PDF structure. The embedded URLs are not directly indicative of malicious activity but are present within the document.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
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Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOADPDF 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.
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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Embedded URL info EMBEDDED_URLOne 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.bin792f165c0b32e6a2ef3e1d3c10091d2415dd46ade0377a6add2ff42813e6ce91 |
pdf-embedded-script | PDF raw stream script payload at offset 0x26C | 98659 bytes |
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