Back-of-Book Index Verification — Match ~1,100 Words to Page Numbers in a 278-Page PDF

I need someone to verify and complete a back-of-book index for a non-fiction book. The index word list already exists (about 1,100 entries, including plural and possessive variants). Your job is to search the full text and confirm the correct page number(s) for every word... (Budget: $20 - $40 USD, Jobs: Content Verification, Data Entry, Editing, Excel, PDF, Proofreading, Python, Word)