PDF malware analysis — malicious · e599d086fb845215

MALICIOUS

PDF

37.8 KB Created: 2010-04-19 21:56:38 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))

MD5: 077a577757e09f98e82878893aef5fd1 SHA-1: e8b6c3b2a1556a3412f00717dd51914d233f7a8f SHA-256: e599d086fb8452151dc585e94652e3bcee076565f6924c3451527777c70533bd

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. ClamAV detection as 'Pdf.Exploit.Agent-23582' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, a common technique for initial access.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-23582 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-23582
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` `13ec0b45cb706385324e9172e16a3ba73992fec3c3f2a4eda2d28a2a5373ce96`	pdf-javascript-stream	PDF /JS object 10 at offset 0x8CCB	1346 bytes

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