PDF malware analysis — malicious · afcc3263624db3e6

MALICIOUS

PDF

7.7 KB Authoring application: Qimigiwova (via a17e8Bashemeriwesohitaro)

MD5: 74a2e3abd756f2123f86094ceda7ed2d SHA-1: ab64a407459d2d10532be3c7478205af03d672fd SHA-256: afcc3263624db3e654a806f6ae9f8350db1ae567de54e589bc58e8be22ade269

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection Heuristics.PDF.ObfuscatedNameObject further suggests malicious intent. While the exact actions of the JavaScript are obfuscated, it is highly likely designed to download and execute a secondary payload or exploit a vulnerability within the PDF reader. The SHA256 hash is included as a primary IOC.

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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