PDF malware analysis — malicious · 2235e9c08d88c384

MALICIOUS

PDF

37.8 KB Created: 2010-04-11 03:29:14 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: a99de4e69e9fa12b92cfb36d3aad095b SHA-1: e303bacfc933ef86068f5f6ae58e06b257e174da SHA-256: 2235e9c08d88c38493d9d20ac7659acb67ac50e83a8cf8b7fe7d1812da15eae3

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection of 'Pdf.Exploit.Agent-22602' strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for triggering the exploit, leading to the execution of malicious code. The specific intent of the script could not be fully determined due to its obfuscated nature, but it is classified as malicious.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22602 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22602
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` `f07bb89b97b83703ed191d8f15dd84092ab974a8dcb94ee3c81496da9c1436f3`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CBF	1344 bytes

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