dnf list | grep ^pdf

で検索。関係ありそうな pdfarranger に目星をつける。

dnf info pdfarranger

Name         : pdfarranger
Version      : 1.5.3
リリース     : 1.fc32
Architecture : noarch
Size         : 125 k
ソース       : pdfarranger-1.5.3-1.fc32.src.rpm
Repository   : updates
Summary      : PDF file merging, rearranging, and splitting
URL          : https://github.com/jeromerobert/pdfarranger
ライセンス   : GPLv3
Description  : pdfarranger is a small Python GTK application, which helps the
             : user to merge or split PDF documents and rotate, crop and
             : rearrange their pages using an interactive and intuitive
             : graphical interface. It is a front end for python-PyPDF2.
             : pdfarranger is a fork of Konstantinos Poulios's PDF-Shuffler.

良さげ。

sudo dnf install pdfarranger

GUIで動く。