MALICIOUS
108
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Dropper.Agent-7231472-0'. Embedded JavaScript streams were extracted, which are heavily obfuscated but likely responsible for downloading and executing a secondary payload. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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ClamAV: Pdf.Dropper.Agent-7231472-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-7231472-0
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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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0005_000.js2f3d1aa61bc3b61c81a362475ad47813624775beae8b6260ce00b29ed3a13701 |
pdf-javascript-stream | PDF /JS object 5 at offset 0x180 | 6049 bytes |
|
Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 long base64-like blob(s).
|
|||
javascript_obj0005_001.js78508dc17263e791952fbddf0bc221ff4d9691b0270f5136e4e38037806db432 |
pdf-javascript-stream | PDF /JS object 5 at offset 0x1A3 | 6332 bytes |
|
Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 long base64-like blob(s).
|
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