\documentclass{scrartcl}
\usepackage[nohead,nofoot,margin=0mm]{geometry}
\usepackage{pdfpages}

\usepackage{background}
\backgroundsetup{scale = 1.0,angle = 0, opacity = 1.0,%
  contents = {\includegraphics[width = \paperwidth, height = \paperheight,
    keepaspectratio]{badge.pdf}}}%

% % for foldmarks
% \usepackage{tikz}
% \usetikzlibrary{calc, backgrounds}
% \hoffset=-3.9mm

\begin{document}
\includepdf[height=13cm,
            width=9cm,
            pages=-,
            nup=2x2,
            delta=10mm 10mm,
            noautoscale=false,
            frame=false]{badge.pdf}

% % foldmarks
% \begin{tikzpicture}
%   \begin{scope}[on background layer]
%     \draw ( 0mm,        0mm)--++(0mm,     0mm);

%     \draw ( 10mm,       0mm)--++( 0mm, -10.5mm);
%     \draw (100mm,       0mm)--++( 0mm, -10.5mm);
%     \draw (110mm,       0mm)--++( 0mm, -10.5mm);
%     \draw (200mm,       0mm)--++( 0mm, -10.5mm);

%     \draw (210mm,  - 13.5mm)--++(-7mm,     0mm);
%     \draw (210mm,  -143.5mm)--++(-7mm,     0mm);
%     \draw (210mm,  -153.5mm)--++(-7mm,     0mm);
%     \draw (210mm,  -283.5mm)--++(-7mm,     0mm);

%     \draw (200mm,  -297.0mm)--++( 0mm,  10.5mm);
%     \draw (110mm,  -297.0mm)--++( 0mm,  10.5mm);
%     \draw (100mm,  -297.0mm)--++( 0mm,  10.5mm);
%     \draw ( 10mm,  -297.0mm)--++( 0mm,  10.5mm);

%     \draw (  0mm,  -283.5mm)--++( 7mm,     0mm);
%     \draw (  0mm,  -153.5mm)--++( 7mm,     0mm);
%     \draw (  0mm,  -143.5mm)--++( 7mm,     0mm);
%     \draw (  0mm,  - 13.5mm)--++( 7mm,     0mm);
%   \end{scope}
% \end{tikzpicture}
\end{document}