MALICIOUS
122
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF file was flagged by multiple heuristics, including ML classification and ClamAV detection as 'Pdf.Dropper.Agent-1507032'. The presence of JavaScript actions and embedded JS streams indicates that the document is designed to execute code. The ML classifier's high confidence score further supports the malicious nature of the file, suggesting it acts as a dropper for other malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.8013
Heuristics 5
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ClamAV: Pdf.Dropper.Agent-1507032 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-1507032
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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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ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_009_off00021bce.bin18160695d6a5de65f93e0a8675dcdc679a30a1f44c2f35f4ae4a76c8c8774082 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x21BCE | 428 bytes |
font_00_sfnt_off000029b7.binc0f7df7b4c0e3f7641e38f94f6483d97d081649c36d5f87d3c1a5d82a4132acf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29B7 | 32792 bytes |
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