PDF malware analysis — malicious · 511d16cdde77aa4a

MALICIOUS

PDF

7.3 KB Authoring application: Tooqimeqipigafara (via a87d3Renizaxizo)

MD5: c10ee9f2ccb53f0c655c1071354fb3d8 SHA-1: b237f0368e489f35abcbf2ada16977fa9b79d983 SHA-256: 511d16cdde77aa4a020124a67c8223de6491d2b1d5e7bef02cb0ed901db93251

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. The presence of embedded JavaScript, identified as 'javascript_obj0010_000.js', suggests an attempt to execute code. The specific nature of the JavaScript's payload is unclear due to obfuscation, but its presence is a strong indicator of malicious intent, likely for downloading further stages or exploiting vulnerabilities.

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

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