Ventajas
Only six hours work, good salary if your are working with 3d or composition the salary is around 10k (R$ Reais is the money currency in Brazil), you have a lot of benefits, transportation, food tickets, health insurance.
They pay for extra hours and you have a plus if you work at night shift. so it's a correct company looking in this aspect.
Desventajas
You will find a lot of problems with the organization and the quality of material received. Usually you don't have time for complete your tasks.
A important thing here is the question about a outsourcing with the effects and production, people are talking about that, this will happen and a lot of professionals will lost their jobs.
So if you received a offer to work here, keep in mind that any time you can lost your job without any warning, don't quit your actual job to work here, a lot of people are always complaining because did this mistake.