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BlobPhish: The Phantom Phishing Campaign Hiding in Browser Memory

ANY.RUN has observed a sustained surge in a credential-phishing campaign active since 2024. This campaign, dubbed BlobPhish, introduces a sneaky twist: instead of delivering phishing pages via traditional HTTP requests, it generates them directly inside the victim’s browser using blob objects. The result is a phishing payload that lives entirely in memory, leaving little to no trace in logs, caches, […] The post BlobPhish: The Phantom Phishing Campaign Hiding in Browser Memory appeared first on

Thursday, April 16, 2026MicrosoftVulnios Threat Intelligence
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Executive Summary

ANY.RUN has observed a sustained surge in a credential-phishing campaign active since 2024. This campaign, dubbed BlobPhish, introduces a sneaky twist: instead of delivering phishing pages via traditional HTTP requests, it generates them directly inside the victim’s browser using blob objects. The result is a phishing payload that lives entirely in memory, leaving little to no trace in logs, caches, […] The post BlobPhish: The Phantom Phishing Campaign Hiding in Browser Memory appeared first on

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