PDF malware analysis — malicious · eeb4c79362a63a4d

MALICIOUS

PDF

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

MD5: fcf081aec7a6eb1a93322de6bb72ad66 SHA-1: a168bbec54022b0dd35eb6a4713eab51141bfc22 SHA-256: eeb4c79362a63a4db5d6578ddecae63b697e1e77130c54a355b728a57ffb256d

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing embedded JavaScript, as indicated by multiple heuristic firings and the 'Pdf.Exploit.Agent-36066' ClamAV detection. The ML classifier also strongly flagged this PDF as malicious. The embedded JavaScript is likely responsible for executing the exploit, leading to the malicious verdict. The exact behavior of the script is not fully discernible due to its size and potential obfuscation, but it is the primary mechanism for the attack.

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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