It will hold without a stud, but I’d recommend utilizing some type of adhesive, from the big box store and you should be good! Good luck on your project. Let me know if you have any additional questions!
Haha, I feel you! Renting can be such a drag sometimes. But hey, at least we can pretend, right? Maybe you can find some cool wall decals or removable wallpaper to jazz up your office without leaving a mark!