MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The critical ClamAV heuristic 'Pdf.Exploit.Dropped-94' and the 'PDF_METADATA_EVAL_STAGER' heuristic indicate that this PDF is designed to exploit a vulnerability. The embedded JavaScript stream is likely responsible for executing the malicious payload. The file's purpose is to deliver and execute a secondary exploit or malware.
Heuristics 4
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ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Dropped-94
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PDF metadata JavaScript eval stager high PDF_METADATA_EVAL_STAGERPDF JavaScript reads document metadata fields such as title, subject, or producer, decodes character data with parseInt/String.fromCharCode style helpers, and evals the recovered stage. This is a high-signal exploit-kit staging pattern.
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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.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0076_000.jsf673416a736aa17ac89d0858684487fb770ed32f4b07741bd1a7b8e15c518976 |
pdf-javascript-stream | PDF /JS object 76 at offset 0x309D | 331 bytes |
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