Workplave dilema

Hii! So I've started working few months ago . It is my first full time job. I am facing some dilema regarding my behavior at office. To start off, I expected everyone to be welcoming but it turned out to be opposite. I found everyone very unwelcoming, rude, inconsiderate and hostile in general. For some context, I work at an association with <10people working at office. Since I have felt unheard and ignored by the office, I don't talk at all unless it's for work I was really excited for the new intern to join as she is of my age and I thought I would have someone to talk to. She communicates with everyone and I think has built a sort of good relation with everyone. I personally don't like people like her who try to maintain a good relationship with everyone by being in everyone's business, not my cup of tea but this is a really great social skill that helps people form good social connections . One of my colleagues helped me a lot but used to bitch about other people all the time which got very mentally exhausting for me so I have limited my communication. My dillema is was it my fault that people were not nice to me.as I feel she is treated better. I have tried asking for advice, share my inputs but I feel that they are not being taken seriously. I am cut off everytime i want to share my opinion and in one on one, not taken seriously. I just talk to the person in higher authority who has thefinaly yes/no in everything and it is working just fine for me. Trying to form social connections with people who haven't been nice doesnt feel good. am I thinking too much and try to form some connections?