PDF malware analysis — malicious · 2b86b08e70099dd2

MALICIOUS

PDF

44.8 KB

MD5: 917201cfa6f5012feef92b46ce6d0774 SHA-1: 83aff87964b7c532e8deff04020aaeb4ae3e1430 SHA-256: 2b86b08e70099dd24ba7b85673a13756abae9e30f5803f48fa3a5b616e6e6421

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject, suggesting malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, which is a common attack vector for PDF-based malware. No specific family could be identified.

Heuristics 5

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xci/2.6/
- http://www.xfa.org/schema/xfa-template/2.6/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_000.js` `9cc22a4b7e59d76a5934aab26cfb59f085fc4d86c2ec4ad219e49b54828b3bdd`	pdf-javascript-stream	PDF /JS object 12 at offset 0xA1EE	3330 bytes

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