PDF malware analysis — malicious · 65151794a061d093

MALICIOUS

PDF

7.7 KB Authoring application: Qimigiwova (via 6d955Bashemeriwesohitaro)

MD5: f95d002fac44578a3c9d576ac5995d86 SHA-1: 7c1068cbe7028c0cabfbdf19a713d8a44e0a1f59 SHA-256: 65151794a061d093e8be0c28c0e883e4b444d57d34b369e5b2700102fd4e9633

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF sample contains embedded JavaScript, flagged by multiple heuristics and a machine learning classifier as malicious. The JavaScript code appears to be obfuscated, but its presence strongly suggests an attempt to exploit the PDF viewer or execute malicious actions. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports the malicious nature of the file.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

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` `ed31b16df2b6492a4d5be85b534deca964c2f0e07a8443782787f4ed9c62c93c`	pdf-javascript-stream	PDF /JS object 10 at offset 0x1303	3192 bytes

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