Downloading files with names like Portable.rar from unofficial third-party websites carries significant risks:
Add passwords, encrypt files, and set user permissions [1, 2].
Cracked or modified portable archives frequently contain hidden trojans, keyloggers, or ransomware.
Convert PDFs to MS Word DOC/DOCX files or images [1, 2].
Combine multiple PDFs or split them into smaller files [1, 2].
Rotate, crop, delete, or insert specific pages [1].
