MALICIOUS
116
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, indicating the presence of malicious content. Heuristics indicate the presence of embedded JavaScript, which is often used to download and execute further stages of malware. The embedded JavaScript stream, named 'javascript_obj0012_000.js', is the primary indicator of malicious activity. The exact payload and delivery mechanism are not fully discernible due to potential obfuscation, but the overall pattern suggests a downloader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9579
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.jsaaec24f8775aa17410303658fee9d32952b06a5028e70dddbd06f1dab749bdb0 |
pdf-javascript-stream | PDF /JS object 12 at offset 0xA1FD | 2617 bytes |
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