While I cannot generate a downloadable file directly, here are the best sources where you can download official, formatted PDFs of short Khutbahs:

Sometimes, the perfect Khutbah does not exist. You may need to create a custom PDF. Here is a template you can convert to PDF:

The Egyptian Fatwa House produces a weekly Khutbah in Arabic that is specifically designed to be short (usually 800-1000 words). Their PDFs are colorful and branded, making them easy to find on search engines.

A vast library of Islamic texts that often includes collections of concise sermons.