PDF malware analysis — malicious · 962768dae36d3d4d

MALICIOUS

PDF

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

MD5: a7ae6402961e01ac7122941c39170f33 SHA-1: 4c442a442879ba79dd1f1c6e2adfc5bdb03896a8 SHA-256: 962768dae36d3d4dfcde1bae24edb6b463d14de9b9ad987c710796e4f5a98a7b

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Pdf.Exploit.Dropped-94. Static analysis also detected embedded JavaScript, indicating an attempt to execute malicious code. The ML classifier strongly supports the malicious verdict. The embedded JavaScript is likely responsible for downloading and executing a second-stage 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` `833526f51269bf3a32ddd52beb91bf410906249c1a1c441c50666341c71beca6`	pdf-javascript-stream	PDF /JS object 76 at offset 0x999	45564 bytes

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