So my mom accidentally opened sussy PDF from spam mail on her phone.My mum didnt pressed download button instead just tapped on the middle of file icon to open. I dont see this pdf in built in file manage so I don’t know maybe it was opened online, but before opening phone asked which program to open file in. PDF contains some text and phishing link in it.So how big chancee are that there is now malware in my mothers phone and what should I do next