PDF malware analysis — malicious · 9bce8895e7ac1a35

MALICIOUS

PDF

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

MD5: 66ede7a0f5eb0d2d7a3a01154e224df5 SHA-1: 729305ab9b9f7ad6b1c612d3cd2512d3003529bb SHA-256: 9bce8895e7ac1a35389e215adcdf1150c7587941f962658cbaf0b067b93a2768

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Dropped-94' strongly suggests it exploits a known PDF vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common technique for malware delivery.

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` `a81738628a2c663d32411dc5b6ba625db5bf48bacc0b61606b38aeefcf85a3f6`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50541 bytes

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