Do Not Ever Open
Unexplained events begin to occur inside Karen’s apartment when she receives a mysterious envelope in the mail with no return address.
Starring Thais Castro, Deuza de Sá, Edson Salvioli, Emanuel Sá, Rafael Zanesco
It's a horror and thriller movie, and has a rating of 5.8 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Belgium.