When I click on the submitted link with Chrome on Android, it asks me if I want to redownload "0.pdf". Such a confusing question. If I pick the wrong answer, I

When I click on the submitted link with Chrome on Android, it asks me if I want to redownload "0.pdf". Such a confusing question. If I pick the wrong answer, I end up with some restaurant menu I must have looked at months ago, not what the global poster intended. So for non-confusing real-world UX I'd recommend extra care with file names if you want to go PDF only.