PDF malware analysis — malicious · ca364f333828627b

MALICIOUS

PDF

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

MD5: 8dfac111a6d351c06304da061734dcc8 SHA-1: be3d118853c71d82dba8e9a8c337174ebc6fecb8 SHA-256: ca364f333828627b102814a04eb81551855a45c55c3e85762f5c7b046daf1c0b

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 heuristic further confirms its malicious nature, identifying it as Pdf.Exploit.Dropped-94. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to download and execute a secondary payload, 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` `c2311088dec577fc9330474b779fbe66725456f8c65f70bffab5c6faf2338186`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45697 bytes

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