PDF malware analysis — malicious · 8848295e94768f37

MALICIOUS

PDF

37.8 KB Created: 2010-04-14 17:13:00 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: b6a1f2425a9055f99b933962836e9d8d SHA-1: 52fbedca451a161a3d4a7843b963c88b8372b990 SHA-256: 8848295e94768f3739e0b28c3e77fef770fd99f455e925f89d289e242e707bbf

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-22120' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload, though its specific actions are not detailed in the provided evidence. The document body content is nonsensical and does not provide any contextual clues.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22120 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22120
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` `8d27446cc8f85773ea12f8600f7aa8c19a0be3f1b60b7618c3072fd726b59128`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CD4	1346 bytes

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