PDF malware analysis — malicious · 3d92216a6f9f7129

MALICIOUS

PDF

37.7 KB Created: 2010-04-12 17:50:48 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 6e7b53c2dc57adf4be5da999a6e26b1a SHA-1: 0a59890d8bcad1d7b0a6b7029045a7aff3af86df SHA-256: 3d92216a6f9f71292b026feae650bb1991a9ac24442c080bb4cff32d84a2f82d

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 and the presence of a javascript_obj0010_000.js artifact. The ClamAV detection 'Pdf.Exploit.Agent-22509' strongly suggests this JavaScript is used to exploit a known vulnerability within PDF viewers. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, contributing to the malicious verdict.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22509 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22509
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` `f19687067e9a18ce6f3abf6344dd0c557cd5d8f65d92bdf5d076604b599dc9d7`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8C9E	1346 bytes

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