Pdf.Dropper.Agent-7685795-0 PDF malware analysis — malicious · 675d96a2c1da4a99

MALICIOUS

PDF

37.7 KB Created: 2010-04-16 01:17:54 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 170e9d3d2ec90da3be0daa863ae497a8 SHA-1: 93f7038b1ddc80e559d9c37dc6df8a8e54eeff2a SHA-256: 675d96a2c1da4a9971c97e0bf72c1fbdf03943bda93a5dcb5e6c064fc60b118e

114 Risk Score

Malware Insights

Pdf.Dropper.Agent-7685795-0 · confidence 95%

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript that is obfuscated but appears to construct a command string. This script is triggered by an action within the PDF, indicating an attempt to exploit a vulnerability for client execution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to download and execute a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

ClamAV: Pdf.Dropper.Agent-7685795-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7685795-0
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Optional Content Group with action trigger low PDF_OPTIONAL_CONTENT

Optional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0010_000.js` `19823bfd7aa46fd98b24b9043a8de4b4e7ec6326ee281d08fb38649a615b9ccc`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8C90	1346 bytes

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