I have an iframe with a src attribute set to a https pdf link. On firefox (99.0.1), my iframe displays correctly the pdf, but not on google chrome (101.0.4951.54). I have no extension installed on my google chrome, and found no errors or any logs in the console.
Chrome gives me a grey iframe like that:
(in english it says "This page has been blocked by Chrome")
I've went into the console, inside the network tab and here is the only useful information I've found:
