MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV with the signature Pdf.Dropper.Agent-7245679-0. It contains embedded JavaScript, and is encrypted with JavaScript, indicating an attempt to obfuscate the malicious payload. The presence of JavaScript actions and encrypted content suggests the file is designed to download and execute a second-stage payload. The document body contains seemingly random characters and a string that may be a placeholder or part of an obfuscation technique.
Heuristics 4
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ClamAV: Pdf.Dropper.Agent-7245679-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-7245679-0
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Encrypted PDF carries /OpenAction — payload hidden from static analysis high PDF_ENCRYPTED_WITH_JSPDF declares /Encrypt and also references an executable trigger (/OpenAction). Document encryption hides the JavaScript body and stream contents from static scanners — combined with auto-execution indicators this is a known evasion pattern used to deliver weaponised JavaScript that the analyst cannot inspect without the decryption key.
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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_obj0007_000.js9694bebff86a8840da1ed87a67a0a51cf67990b644769fc6eadebd6f44b35632 |
pdf-javascript-stream | PDF /JS object 7 at offset 0x2EA | 2377 bytes |
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