PDF malware analysis — malicious · 2bd50c4cd6f29367

MALICIOUS

PDF

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

MD5: f61231213864bdd8ce12425123f05444 SHA-1: 3d9bd78e87a05d6c89caab397855b5089f0a10f0 SHA-256: 2bd50c4cd6f293679a108a6cc99327ed62878b638a7b203b8baa1fafdb2fea61

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as 'Pdf.Exploit.Dropped-94'. Heuristics indicate the presence of embedded JavaScript, which is a common method for exploiting PDF vulnerabilities. The embedded JavaScript is likely responsible for executing a malicious payload.

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` `b510597796a01b16788c05dc4858e2ea9eaa74b3ace0e73ec07e8f3d210da387`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	53967 bytes

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