Thanks everyone for the help really appreciated :)
AFAIK it should be possible to install MuPDF without installing the MuJS
library, as the website states that it "is designed to be useful as an
independent component" (https://mujs.com/).
"atril" is the default PDF viewer in Trisquel 8.0 LTS, Ubunut-Mate and
Xubuntu changed it default PDF viewer to Artil on 18.4 release.
Another option will be "xpdf"
I'm searching for a good pdf viewer that can't handle javascript embedded in
pdf files.
The reason for this is to avoid exploits with javascript like Heap Spray.
I know that evince doesn't have javascript enabled but gnome developers want
to add this feature in future.
Okular have partial jav
