PDF malware analysis — malicious · 4cb99cf764a81e5e

MALICIOUS

PDF

7.3 KB Authoring application: Bofatezozinefaxfa (via 95774Vogewojixariuawi)

MD5: 479b1382cf93d2e80e2066579c00a8c5 SHA-1: e8ae87e9da0eaefbce1e82cbea7160fcdc8ed3da SHA-256: 4cb99cf764a81e5ed03083b787e6ede5735781bf8dbdac19ff116208dd9611aa

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection of 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The embedded JavaScript is likely designed to exploit a vulnerability within the PDF reader or to download and execute a secondary payload, contributing to the overall malicious nature of the document.

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` `ca838ab153ea9de4fff1e74bdd0848fd720f71bc6fbee4425be234136cd19b41`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1349	2325 bytes

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