PDF malware analysis — malicious · ef4d7a22acdd6375

MALICIOUS

PDF

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

MD5: 87139596653082f1497559e11c2b5243 SHA-1: 6d2b01ced5d75c34193fb523af983ef0deedd55d SHA-256: ef4d7a22acdd6375fa8b462ccd5b025e9d64ab27eaf7a3aacf62f6880345e0e0

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV also detected this file as Pdf.Exploit.Dropped-94. The embedded JavaScript is likely responsible for exploiting a PDF vulnerability to download and execute a malicious payload, as suggested by the critical ClamAV detection and the presence of JavaScript actions within the PDF structure. The document body content is not indicative of a specific lure.

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` `2888261c2ef66e7e96a6307f834115c3a618df97268600787d52c3166d891fd9`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50191 bytes

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