The "3.5.3 Hot" version of SP Page Builder Pro refers to a specific release of the plugin. However, I couldn't find any information on a legitimate "Hot" version of the plugin. It's possible that the nulled version you're referring to is a modified or cracked version of the 3.5.3 release.

SP Page Builder Pro is a popular page builder plugin for WordPress, designed to help users create custom pages and layouts without requiring extensive coding knowledge. The plugin offers a drag-and-drop interface, allowing users to easily build and customize their pages.

While I understand the temptation to use a nulled version of SP Page Builder Pro, I urge you to prioritize the security, stability, and legitimacy of your website by choosing a licensed version of the plugin. Not only will you avoid potential risks, but you'll also support the developers who work hard to create high-quality software.