PDF malware analysis — malicious · 538fdf7e7d270ba6

MALICIOUS

PDF

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

MD5: 6b0808e44c8aa43f50f4352a16f2c1a8 SHA-1: 87775044fb9428459ca0b4903beed05069907a49 SHA-256: 538fdf7e7d270ba6adc4c2a2be55210c1c116bfd0a6eae879b0215b52d396bbf

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic indicates the file is a known PDF exploit, specifically 'Pdf.Exploit.Agent-36066'. The presence of embedded JavaScript, detected by PDF_JAVASCRIPT and PDF_JS heuristics, strongly suggests that this exploit is leveraged to execute malicious code. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, though its exact functionality cannot be determined due to obfuscation.

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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