PDF malware analysis — malicious · d8910fc2953a3fd1

MALICIOUS

PDF

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

MD5: 02508f2a7c6c8a05e6b11e5c219bc8db SHA-1: 5890004c762a93bffd2357c804dbef9dcb8dcb08 SHA-256: d8910fc2953a3fd1e9a0eca59502bf42ee7b62b44059cb1f9be574a489afa1ae

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF was flagged as malicious by multiple engines, including a high-confidence ML classifier and ClamAV, which identified it as Pdf.Exploit.Dropped-94. The presence of embedded JavaScript, indicated by heuristic firings, suggests an attempt to execute malicious code. The JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `827b2981bf248f647b64f9ecef21452a650099173e6d3be685e83ae4d168f1e7`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50090 bytes

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