Does this friend have negative intentions with me?

Hi ladies. For the past few years I’ve gotten pretty close with whom I consider a good friend now. We are similar in age and get along well. For the past few months my intuition has been telling me something is off with her. I ignored it, thinking it’s all in my head, but the more I see her the more I feel like she doesn’t want the best for me. My intuition is usually very strong so it’s hard to keep ignoring it. But my question is, is there a way I can blatantly ask her if she doesn’t want the best for me or is envious in any way? Do I start keeping a distance? Has anyone had a similar experience? I just don’t want to be around someone who has negative intentions and I want to protect myself.