PDF malware analysis — malicious · 37c704a5a46a970b

MALICIOUS

PDF

37.8 KB Created: 2010-04-14 17:14:24 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 533ca2d4b44b1348c93c1674518daa56 SHA-1: 1f84563a5c99d90239d3bc2c4b12edf1e71958f4 SHA-256: 37c704a5a46a970b5853532f5aa041e7783c42e1715321da96fb8b1f8f9f0783

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-22124' strongly suggests this JavaScript is malicious and exploits a vulnerability within the PDF reader. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a secondary payload.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22124 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22124
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` `bca2b84dc8e3305531932e972aba816fdad66cb66eaad05b2948ce89202407be`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CAA	1346 bytes

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