PDF malware analysis — malicious · 02420c308b38c5d4

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja

MD5: 21bc1dc33e386eed72c9039908829e5b SHA-1: 3150976cad0834ea3a36f3bb0db12fb0f31143c0 SHA-256: 02420c308b38c5d4b6001c2ced7fd89d2ec2e91ea14fe0cc444fb73debf393a8

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a javascript_obj0022_000.js artifact. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the execution of this script. The script's purpose is presumed to be downloading and executing a second-stage payload, a common technique for PDF-based malware.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36066 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36066
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_obj0022_000.js` `22e7b9b95199cc294a88baec03e968aa698abb89fdbf202e98b946c7b2639771`	pdf-javascript-stream	PDF /JS object 22 at offset 0x30AF	971255 bytes

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