PDF malware analysis — malicious · 97d2113edbdba616

MALICIOUS

PDF

58.5 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: lice (via ubst)

MD5: 18af7c7207db5fb3d047868fbb0634b5 SHA-1: f2967b975bb3aa1620d82042dc45846e6aedbfd6 SHA-256: 97d2113edbdba6164899fb0940d8965529206ce6c7ce1afdbbe20c759524deb2

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as '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 embedded JavaScript is likely responsible for the exploit, leading to the download of 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` `4a52cc83f8896e9a6ec59726f7f839276881bdd6ec6214ac2a45c89380aad127`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50008 bytes

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