She should change her pw on any site which uses the compromised pw.
Some sites, like amazon/facebook, use email as the login. The hackers can try to login using her email/pw on those sites.
They may search for her email in user databases hacked from other websites. If so, they may find her user id on those sites and try to use her pw to login.
She should also do an extensive virus/trojan scan of her computer. The link may have downloaded a virus.