MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was flagged as malicious by a machine learning classifier and ClamAV due to obfuscated objects and embedded JavaScript. The presence of JavaScript actions and streams indicates an attempt to execute code. While the document body is unreadable, the heuristics strongly suggest the PDF is designed to exploit vulnerabilities and deliver a malicious payload. The embedded URLs, though not directly malicious, are related to XFA forms, a common vector for PDF exploits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9445
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.js18c7f891e18eb2d99c85d6a675f746b7605dae793d2dca349bd53d7a0fea59f5 |
pdf-javascript-stream | PDF /JS object 12 at offset 0xA1C6 | 4071 bytes |
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