PDF malware analysis — malicious · 2ac372a91948b42e

MALICIOUS

PDF

37.7 KB Created: 2010-04-11 03:39:57 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 3fb087c5c8def9552b4b155ac832062f SHA-1: 43cb109437ef72cb7381c0e7b1b8a412ab317e76 SHA-256: 2ac372a91948b42ee3c31bdfaa7cf7da1702819001af0faf272c445f42458075

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. The ClamAV detection of 'Pdf.Exploit.Agent-22098' strongly suggests a known exploit is present. The embedded JavaScript is likely responsible for triggering the exploit, leading to the execution of malicious code. No specific IOCs beyond the ClamAV signature were extracted.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22098 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22098
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` `b383836c23bd825eb719d5d7ff178d2fe4007c7585fcd77b583fc4cfbe682b6e`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8C87	1346 bytes

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