PDF malware analysis — malicious · b077801daa12ab9a

MALICIOUS

PDF

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

MD5: 4a2bd1d8556ebd2817d35120f69a060d SHA-1: 9efb86ec061bbdbf105773f2fe54cc03029b0590 SHA-256: b077801daa12ab9a51d3dbeb5776ced4a844ed32993c01d735f0b5930a649920

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. ClamAV detection as Pdf.Exploit.Dropped-94 strongly suggests exploitation of a known vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is 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` `ea9072ccd220abf57a43ce88c045c7bcf4240c45c3d3c58a6d1aad94e67e9860`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	50304 bytes

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