While not a PDF, this is the "gold standard." Always start here to get used to the wording used by the exam creators.
Not all PDFs are created equal. Look for resources that align with the updates. Here are some of the best places to find them:
Explaining the in the latest Scrum Guide you need to know for the exam.
Good PDFs provide detailed explanations for why an answer is correct based on the Scrum Guide . Top Sources for Reliable Practice Questions
The PSM I consists of 80 questions in 60 minutes. You need to be fast.
Download a reputable practice set today and take your first step toward certification! If you'd like, I can help you further by:
Set a timer for 60 minutes and try to get through 80 questions without looking at the Scrum Guide.