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 so Google drops it naturally. For urgent privacy or sensitive data, use the Removal tool in Google Search Console to hide content quickly