\documentclass[a4paper]{minimal}
\usepackage{pdfpages}
\begin{document}
\includepdf[nup=2x2,landscape,pages=1-136,column,delta=4mm 5mm,scale=0.9]{log.pdf}
% Um alle Seiten zu nehmen: pages=-
%\includepdf[nup=2x2,landscape,pages=-,column,delta=4mm 5mm,scale=0.9]{log.pdf}
\end{document}

%%% Local Variables: 
%%% mode: latex
%%% TeX-master: t
%%% End: