PDF / .2 malware analysis — malicious · 335500ad30ec2995

MALICIOUS

PDF / .2

37.8 KB Created: 2010-04-20 00:21:03 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: e60ba86c5aca4dd8c9a7ff93452752e5 SHA-1: 1bd892ef2b50a4c6c6e3a0f4cb546efdc421277b SHA-256: 335500ad30ec2995858ca4c647720986ed545a98e4fb8075f0748203d6a42656

114 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities and delivering secondary payloads. The presence of JavaScript actions and embedded JS streams strongly suggests an exploit attempt. The specific ClamAV detection name 'Pdf.Exploit.Agent-23610' further supports this assessment.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

ClamAV: Pdf.Exploit.Agent-23610 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-23610
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` `36e134c9356137c02abc9959b1246c0970de938abf76bb3f1b1389534c42fc71`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CDA	1346 bytes

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