PDF malware analysis — malicious · 1f60291fb032a715

MALICIOUS

PDF

69.9 KB

MD5: 8db086e7eb2c8a1277769c39bab3523f SHA-1: da8b34a01022a9ab1f58b7204d73ed9a6aef067b SHA-256: 1f60291fb032a7154eb257da839d615523488ca59b19bae19131e4a584f823b1

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection for Heuristics.PDF.ObfuscatedNameObject further confirms its malicious nature. The embedded JavaScript, named 'javascript_obj0012_000.js', is likely responsible for downloading and executing a second-stage payload from the embedded URL 'http://www.bitstream.com'. The document body itself contains obfuscated text, which is typical for malicious PDFs attempting to hide their true content.

Heuristics 4

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.
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://www.bitstream.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_000.js` `35c8daec5242ba4c4f2b29bc89d72ffcd5a0c3e5844ad86b3700c2609558c3a1`	pdf-javascript-stream	PDF /JS object 12 at offset 0x10620	3909 bytes

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