PDF malware analysis — malicious · e13cc28297efb4f2

MALICIOUS

PDF

59.2 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: lice (via ubst)

MD5: 621b26bd0c534d12792f16e2d0095dc8 SHA-1: 9cabe938b6b44e3fe0eb0786f192a6e80b1723ab SHA-256: e13cc28297efb4f2f544e850ab1f800b34447e5f2a3041abd217eaf1aca53a3a

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Pdf.Exploit.Dropped-94 further confirms its malicious nature. The embedded JavaScript, which is a large stream, is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code. This code is probably designed to download and execute a secondary payload, a common technique for initial access.

Heuristics 3

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
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_obj0076_000.js` `d2022d29c53e60ddaedc8733e1bcfcac0a5eff30d40a3ebdf38bf91bba56290f`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50748 bytes

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