PDF malware analysis — malicious · ac0af93b9f0c038e

MALICIOUS

PDF

46.9 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)

MD5: 3d4e99e8def0b21762ddd611567fbe72 SHA-1: 12dd924062582fec6cfcfa71546cc56a8ff0c4f6 SHA-256: ac0af93b9f0c038e702175d8c9ffc68881899f3654918eec467b0fda4ca3be0e

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Dropped-94' strongly suggests this JavaScript is malicious, likely designed to exploit a vulnerability within the PDF reader. The large size of the embedded JavaScript stream (45261 bytes) further supports the hypothesis that it contains exploit code or a downloader for a secondary payload. The file's metadata indicates it was created in 2006, suggesting it might leverage an older, known PDF vulnerability.

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` `dfb34aa874274ad5a5d769c237315b2749ba7340efe3f6a2b012449f866f8989`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45261 bytes

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