PDF malware analysis — malicious · fd47924dab7de511

MALICIOUS

PDF

7.5 KB Authoring application: Jgaxivakafowizasi (via 110f1Uohosicilab)

MD5: 9239b58b450eaed927b568e2785ae782 SHA-1: 11762ab5e7d2dc9760f6772a856883bc80d1c733 SHA-256: fd47924dab7de511fcbb9d3de04010b8c4c9e0b13203cd6659c26d53152d04be

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it with 'Heuristics.PDF.ObfuscatedNameObject', suggesting a deliberate attempt to obfuscate malicious content. The JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to achieve its malicious objective, such as downloading a second-stage payload.

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_obj0011_000.js` `c35f939b8b08b4458e4f2307d4bfd0afc23546c955e11c1da88e87302e40c9b0`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1358	3029 bytes

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