MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ML classifier and ClamAV detection strongly suggest malicious intent. While the document body is heavily obfuscated and unreadable, the presence of JavaScript points towards an attack pattern involving the exploitation of PDF vulnerabilities to run arbitrary code. The embedded URLs, though not directly malicious according to the reputation labels, are associated with XFA forms, which can be leveraged for exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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.js3afb417376b398d90ded338912097c4952dcb39d68b79d020427016fbf5c2460 |
pdf-javascript-stream | PDF /JS object 12 at offset 0xA1EC | 4145 bytes |
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