PDF malware analysis — malicious · 39c1eff9132536f2

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via e0639Renizaxizo)

MD5: a881a4ca0dfa88320de8cc3e92f9c98b SHA-1: 46f4db0400f0b565ca75b53a64999d831b66e6cb SHA-256: 39c1eff9132536f2da50d8de5e157b6d88aaf0bdc27e238339ee9b8c0060e128

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1559.001 Component Object Model

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ML classifier also flagged the PDF as malicious with a high probability. The embedded JavaScript stream, named 'javascript_obj0010_000.js', is the primary indicator of malicious activity. While the exact script functionality is not fully detailed, its presence within a PDF and the high ML score suggest it's designed to exploit vulnerabilities or download further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9991

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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_obj0010_000.js` `b53e27bbdeba8c818850cc3826b3d643c06114ca0ccd161a827d53f8e26598c4`	pdf-javascript-stream	PDF /JS object 10 at offset 0x130D	2214 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.