maléfica translates to 'malevolent' or 'evil'. You might recognize it from the famous Disney villain, Maleficent, whose name in Spanish is Maléfica!
In this song, Sebastián Yatra uses this powerful adjective to describe the woman's intentions. He sings, "se te nota desde lejos tu maléfica intención" (your evil intention is noticeable from afar), accusing her of plotting to break his heart from the very beginning. It's a dramatic and memorable word that perfectly captures the song's fiery tone.
Colombian pop artist Sebastián Yatra calls out a heartbreaker who plays games just to watch people suffer. Right from the start, he calls her bluff: she acts distant with words like "no te gusto" [you don't like me], yet she leans in close anyway ("no te acerques así" [don't come close like that]). People warned him that she hunts for someone to fall for her just to make them hurt ("para hacerlo sufrir"), and he ends up completely abandoned, literally left "manejando solo y triste" [driving alone and sad].
Instead of begging her to come back, Yatra hits her with two direct labels: "traicionera" [traitor/backstabber] and "mentirosa" [liar]. He mocks her shallow motives, calling out how she lives for dancing reggaeton while ignoring what anyone feels ("no te importa para nada lo que sienta el corazón"). By the time the chorus drops, he turns the tables. She was just passing through his life ("en mi vida fuiste pasajera"), and now he refuses to care if she is the one heartbroken in the end.