PDF malware analysis — malicious · 1c2ea397227b4e63

MALICIOUS

PDF

59.2 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: lice (via ubst)

MD5: 4a1283b17a14eb43284190543ba46ab6 SHA-1: 87844a079615535ff3f2bfa3d179bdbb4c7a0c41 SHA-256: 1c2ea397227b4e632d88261c56f36f953d780b8b089fd76a8f82f2478266fd67

76 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.Dropped-94' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common technique for initial access and further system compromise. The large size of the embedded JavaScript (50751 bytes) further supports the likelihood of complex malicious functionality.

Heuristics 3

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0076_000.js` `d3b7c26828ff17561c75d015b0f18886b84dd7d5f7097485391b3b8db118bdeb`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50751 bytes

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