PDF malware analysis — malicious · a58cde44133ab93f

MALICIOUS

PDF

71.6 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)

MD5: fd99bdfb027fbcda190114634e88dacc SHA-1: 295afb7d35c4f80176cb6d6bcaf3eb336e078116 SHA-256: a58cde44133ab93f78c0d6230da3e28075a919645ec6e1419f3e79cadb585f06

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by multiple engines, including a critical ClamAV detection identifying it as 'Pdf.Dropper.Agent-1828895'. Static analysis revealed embedded JavaScript, which is a common technique for dropper malware to execute arbitrary code. This script is likely responsible for downloading and executing a secondary payload, contributing to the overall malicious nature of the document.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

Heuristics 3

ClamAV: Pdf.Dropper.Agent-1828895 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-1828895
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_obj0007_000.js` `c15909784cb942c6681d4ebcea7f250e55aeb302b28e4eb6ccbb208c8390beb0`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	146363 bytes

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