It is programmed to "capture" specific account details if a login is successful. This usually includes: Subscription status (Active/Expired). Plan type (Ad-free vs. Ad-supported). Expiration date. Payment method (cc/PayPal/etc.).
If you have found this file online, exercise extreme caution: HBO-MAX-COCAINA.svb
The file extension refers to configuration files used by SilverBullet , an automated web testing and data parsing tool. A file named "HBO-MAX-COCAINA.svb" is a specific configuration (often called a "config") designed to automate interactions with the HBO Max platform. What is an .svb File? It is programmed to "capture" specific account details