MALICIOUS
158
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
This PDF file was flagged by ClamAV as Pdf.Dropper.Agent-7418074-0. Static analysis revealed embedded JavaScript with eval() calls, indicating an attempt to obfuscate and execute malicious code. The ML classifier also strongly indicated maliciousness. The primary function appears to be downloading and executing a second-stage payload, as suggested by the JavaScript and the 'dropper' classification.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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ClamAV: Pdf.Dropper.Agent-7418074-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-7418074-0
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eval() call high PDF_EVALeval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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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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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0007_000.js93d92e173be6b52d0d691dbde6042002ab6d92a3f6186ffcda795f4aad5c2da1 |
pdf-javascript-stream | PDF /JS object 7 at offset 0x23F | 8089 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 eval/decoder/string-building token(s).
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