I'm considering buying a Storyblocks subscription from an unofficial website. It's a shared account and significantly cheaper than buying directly from the official site. What are the risks of using this kind of account to create YouTube videos?

Could this lead to copyright strikes on my channel?

I'm considering buying a Storyblocks subscription from an unofficial website. It's a shared account and significantly cheaper than buying directly from the official Storyblocks site. What are the risks of using this kind of account to create YouTube videos?
Could this lead to copyright strikes on my channel?