PDF malware analysis — malicious · e85099b2bc559575

MALICIOUS

PDF

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

MD5: efb3cc83c7350e24ec98b7d339d1ef35 SHA-1: 47bff6f413c7dbdc20ef65b380027f0f397ae935 SHA-256: e85099b2bc5595757935b93cf3f8924630e0b26afff5793cb05dfb917aa0b6bf

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged as malicious by a machine learning classifier and ClamAV, which identified it as 'Pdf.Exploit.Dropped-94'. The presence of embedded JavaScript, indicated by heuristic firings and an extracted JS stream, suggests the document is designed to execute malicious code. The ML classifier's high confidence score further supports the malicious nature of the file.

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` `ea1ae0153e107eb5f9450c9d7fc01f5a8800a5a9b35934a1c4891aeefe68d702`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50375 bytes

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