PDF malware analysis — malicious · 275d09bcfd4634c0

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: aa822743d9d8e8349f52eb242f19ca56 SHA-1: ffee842dc8f7765c8ab7537a9814fccc082a6c9b SHA-256: 275d09bcfd4634c0211aba68842c3c26ee482a85c3750bef73f8a4eb3e7f4849

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV with the signature Pdf.Exploit.Dropped-94. Heuristics indicate the presence of embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities to download and execute further malicious content. The large size of the embedded JavaScript stream suggests complex malicious functionality.

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` `7f32975a0c0707dcda562c0c5993c6826b2f21e3d3ded58007d89e2908705fee`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45613 bytes

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