By the simple fact that the VAR officials have notified the referee to have a look at the replay they are implying that he has made an error.
Things always look far worse in slow motion which sometimes takes the common sense out of decisions. Handballs have to be deliberate and there is no way that Portuguese handball was deliberate.
VAR is making this World Cup a laughing stock and you just know that the final will be decided by a dodgy VAR decision.