PDF malware analysis — malicious · 3cd74c943e9aeaed

MALICIOUS

PDF

37.3 KB Created: 2010-04-11 03:18:44 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 0951835c9d18c3238aff9717b173de5d SHA-1: 034b3ffd3bce87f74156e0e9699fd21c7d35bd1f SHA-256: 3cd74c943e9aeaed7c4c65acecb37d7ce4f87be5fd0c6270eac66327880114d2

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 'Pdf.Exploit.Agent-22072' strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for executing malicious code, potentially downloading and running a second-stage payload, which is a common attack vector for PDF exploits. The document body text is nonsensical and does not provide further clues.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-22072 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22072
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` `fadb44bc296447733e072c3ba1878277ad8fd4cb65b4fe6222cb70a0cc990b1f`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8ACC	1344 bytes

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