PDF malware analysis — malicious · 8eac86765a3e2c4f

MALICIOUS

PDF

885 B Created: 2011-72-51 03:25:00 Authoring application: ring.fromCharCode

MD5: 3a6af126d969979c19d58dd5a3dd64ab SHA-1: 581ade53fa3567b7835a63d4b1969b859c62deab SHA-256: 8eac86765a3e2c4f20c7dac5d13f5e1695441466fe8937633eacefd19445868e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, which identified it as Pdf.Dropper.Agent-7281869-0. The presence of embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics, suggests that the file is designed to execute arbitrary code upon opening. This type of dropper functionality is commonly used to download and execute further malicious payloads.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Dropper.Agent-7281869-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7281869-0
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_obj0001_000.js` `35ad0fb6e5faf7a7bc7b905353523f96e3efc6b337e962e4e5c1b6d5922afcb7`	pdf-javascript-stream	PDF /JS object 1 at offset 0x11F	394 bytes

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