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 heuristics indicating the presence of embedded JavaScript and XFA forms. The embedded JavaScript is likely responsible for executing malicious actions, such as downloading and executing additional payloads from external sources. The document body is heavily obfuscated and does not provide clear user-facing content, further suggesting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9684
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.jsbcf4ef21cffa865d63d1b87ba4ffb509bf137c42f5d8dce93b234f812cfe4839 |
pdf-javascript-stream | PDF /JS object 12 at offset 0xA1F7 | 3629 bytes |
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