How to index pdf file in google search results?

Not so hard to index a PDF file in Google search results, but you must follow these steps:

1. •Ensure the PDF is Search-Engine Friendly

- Content Quality: For index pdf file in google search results please make sure the PDF contains quality text (not just images or scanned documents) so that Google's crawlers can read it.

- Proper Titles & Meta Information: Include a proper title, description, and relevant keywords in the PDF's metadata. You can do this using tools like Adobe Acrobat or online PDF editors.

2. •Upload the PDF to Your Website
- Webpage or Directory: Upload the PDF to your website in a dedicated directory or page. 
Example: `http://www.example.com/documents/sample.pdf `

- Link the PDF: Include links to the PDF file on your website's pages, preferably on indexed pages with related content to enhance visibility.

3. •Submit the URL to Google Search Console
- Login to Google Search Console: Submit the URL of the PDF to Google Search Console under the "URL Inspection Tool" to request indexing.
- Sitemaps: If you have multiple PDFs, you can include them in your website's XML sitemap for easier indexing by Google.

4. •Optimize for Keywords
- PDF Content: Ensure the content within the PDF is optimized with keywords relevant to the subject, as Google will index the text.
- File Name: Use a descriptive and keyword-optimized file name for your PDF.

Example: `http://www.example.com/documents/ebookmoneyonline.pdf `

5. •Monitor and Improve SEO
- Backlinks: Ensure your PDF gets links from other websites to increase its visibility and authority.

- Google Analytics: Use tracking tools like Google Analytics to monitor how users access and interact with your PDF file.

P.S   Following these step will help improve the chances of your PDF being indexed by Google and appearing in search results.