PDF malware analysis — malicious · 5697d982659f655d

MALICIOUS

PDF

59.0 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via ubst)

MD5: e052bb816b94471c0129582f84f86ce4 SHA-1: 49bbf4eb2a45ce01db8e62ff6ae9cda5add107be SHA-256: 5697d982659f655d3b5f1947044ab361c998856d1569571e64e8127e249c63de

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript

This PDF file was flagged as malicious by ClamAV with the signature Pdf.Exploit.Dropped-94. Static analysis revealed embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities to download and execute further malicious content. The ML classifier also strongly indicated maliciousness. The document body content is not indicative of a specific lure, so the rationale is based on the exploit and script execution.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
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_obj0076_000.js` `64f21f7e82ff7301253e76527707f90b11c44b6ab5f401f80e97050514e46637`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	50419 bytes

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