If you need to hide pages from search results, start by adding a "noindex" tag...

https://www.mediafire.com/file/h1904rra99nljh1/pdf-58466-24674.pdf/file

If you need to hide pages from search results, start by adding a "noindex" tag to the page header. This tells Google to drop the URL from its index naturally. For urgent privacy needs, use the Search Console Removals tool to hide content quickly