PDF malware analysis — malicious · ecd5d86ce3ebd19e

MALICIOUS

PDF

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

MD5: 7171b97ab7ac85d30b1a4d5ab89a62af SHA-1: 72be3658f21318d2d06a03a3b29a03782e22b447 SHA-256: ecd5d86ce3ebd19e77d3e49fb3ed92af5728ffaf16bacab2c9cecc8fcc26c7b4

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 detection as Pdf.Exploit.Dropped-94 further confirms malicious intent. The large embedded JavaScript stream suggests it is used to download and execute a secondary payload, a common technique for exploiting PDF vulnerabilities. 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` `ca26ff618c5c00f8e20811143a452afb40746f3c01402379dc8e7bdc54f38d4b`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50711 bytes

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