PDF malware analysis — malicious · 26a38f0488d5c542

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: 0088a656dcc900331d14963ad0fab932 SHA-1: ee6a4ce88a160cf73fbdfabee1a9c23f920ead49 SHA-256: 26a38f0488d5c54221f93838f7844fbd1d549a2f0bfac04f8720d7b63bdb238c

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF was flagged as malicious by a machine learning classifier and ClamAV, which identified it as 'Pdf.Exploit.Dropped-94'. The presence of JavaScript actions and embedded JS streams indicates an attempt to execute malicious code. The ML classifier's high confidence score and the specific ClamAV detection suggest this PDF likely exploits a known vulnerability to download and execute a secondary 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` `017d390e71cf41957e12d9655c358bdfdff858834371da150875f10eab90deb8`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45599 bytes

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