Sudden huge impressions explosion in GSC but very low clicks is this normal ?

I'm seeing something weird on one of my tool pages (a prime number checker) a page where it has no SEO worst title and description and no plan to update it you can think it's a legacy page just sitting there Over the last 3 months (filtered to this specific page): Total clicks: 12 Total impressions: 293K Average CTR: 0% Average position: 8.4 <