MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: Malicious File
The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detections suggest it exploits a known vulnerability, likely to execute the embedded script. The script's purpose is to download and execute a second-stage payload, as suggested by the 'Pdf.Exploit.Agent-36722' and 'Pdf.Exploit.Pdfka-9' signatures.
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-36722 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36722
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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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.jsed0231c9d54291550db2b1c01ae92118622773f9b04745e07bd74d9a0446d053 |
pdf-javascript-stream | PDF /JS object 76 at offset 0x369 | 11616 bytes |
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Detection
ClamAV:
Pdf.Exploit.Pdfka-9
Obfuscation or payload:
unlikely
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