If used as a source for research paper this passage would be considered and the answer to this one is a primary source

the question is what makes it a primary source

What makes a primary source, a primary source?

Ex) You're researching a person to write a biography about that person. A primary source for information could be that person, their diary, etc.

A primary source provides direct or firsthand evidence about an event, object, person, or work of art.