The keyword is telling. "Hot" implies urgency, timeliness, and high demand. You want the latest UWorld Clinical Knowledge (CK) questions in an easily downloadable, offline format. You want the heat of the most recent Qbank update without paying the subscription fee.
Despite the drawbacks, the search for these PDFs remains popular due to the high cost of medical education. Students often use them as a or a way to review explanations while away from an internet connection. If you are looking for supplemental materials, many students find that using the official UWorld mobile app provides the same portability without sacrificing the benefits of an active subscription. Better Alternatives for Step 2 CK Prep