PDF malware analysis — malicious · 7ad65a4ccbcb0ab9

MALICIOUS

PDF

7.4 KB Created: 2010-09-16 18:55:19 Authoring application: Tolhipezorojpagiwaqo (via 1a2f6Seueganadazaqeav)

MD5: 5fe86e5a131b2c428e5862f31e22a3ab SHA-1: b23ab4fe06e6729685aa7c299aa0c13852e839f7 SHA-256: 7ad65a4ccbcb0ab957186e7949a938abc563d8afa98ab6cf72f63abc54ad1b08

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

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 JavaScript stream is obfuscated, making it difficult to determine its exact function, but it is likely designed to download and execute a second-stage payload or exploit a vulnerability. The file's metadata indicates it was authored by a suspicious application.

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` `e2d41866c9fb013feb60cefe8b41892c7277decb0774febb940ce493b1221654`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1387	2332 bytes

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