In almost all jurisdictions, downloading copyrighted magazines without permission from the publisher (Condé Nast, Hearst, etc.) is copyright infringement . Freemagazinespdf.com does not host the files itself in most cases; it scrapes third-party file-hosting services (e.g., MediaFire, Mega). However, the act of downloading still violates the publisher's exclusive rights.
If you are new to the site, here is a starter pack of titles that are frequently updated and high-quality on : Freemagazinespdf.com