MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF file was flagged as malicious by a machine learning classifier and ClamAV with the signature Heuristics.PDF.ObfuscatedNameObject. It contains embedded JavaScript, indicating an attempt to execute code. The presence of JavaScript actions and streams strongly suggests the script is designed to download and execute a second-stage payload. While the document body is heavily obfuscated and unreadable, the technical indicators point to a typical malicious PDF delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9595
Heuristics 5
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ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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/xci/2.6/
- http://www.xfa.org/schema/xfa-template/2.6/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0012_000.jscea252e3d95bbd6b4ebf3900c737141a9851f7ae940285079ecf0c9a191fa548 |
pdf-javascript-stream | PDF /JS object 12 at offset 0xA21C | 3522 bytes |
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