PDF malware analysis — malicious · a3cc9c5759ca14d3

MALICIOUS

PDF

37.2 KB Created: 2010-04-20 19:19:49 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 15df92325f61aa6bf112f0553475db10 SHA-1: 260f66d5e6a15946b7386f3a3bf28b0f4b8834ce SHA-256: a3cc9c5759ca14d318e9a653781856bb14a1f265fa2fe6f6653f8abb878be83c

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. ClamAV detection as 'Pdf.Exploit.Agent-23083' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload, leading to the detected exploit.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-23083 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-23083
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` `7a24e54b6b726ffc6be41977b978451a39d415bc3ca6acd204fca09aa7769ef6`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8A4B	1344 bytes

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