diff --git a/org.pdfsam.pdfsam.metainfo.xml b/org.pdfsam.pdfsam.metainfo.xml
new file mode 100644
index 0000000..0f179b1
--- /dev/null
+++ b/org.pdfsam.pdfsam.metainfo.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>org.pdfsam.pdfsam</id>
+  
+  <name>pdfsam</name>
+  <summary>PDF Split and Merge enhanced</summary>
+  
+  <metadata_license>FSFAP</metadata_license>
+  <project_license>GPL-3.0</project_license>
+  
+  <description>
+    <p>
+      PDFsam is a simple, platform independent software designed to split and merge pdf files. It&apos;s stable, completely free and it should cover most of your needs.
+    </p>
+  </description>
+  
+  <launchable type="desktop-id">pdfsam.desktop</launchable>
+  <screenshots>
+    <screenshot type="default">
+      <image>https://upload.wikimedia.org/wikipedia/commons/2/2b/PDFsam_merge_module.png</image>
+    </screenshot>
+    <screenshot>
+      <image>https://pdfsam.org/imgs/features/basic-merge-pdf.png</image>
+    </screenshot>
+  </screenshots>
+</component>
diff --git a/pdfsam b/pdfsam
new file mode 100644
index 0000000..0a4515d
--- /dev/null
+++ b/pdfsam
@@ -0,0 +1,17 @@
+#!/usr/bin/sh
+
+
+# run application with java env >= 11
+
+PDFSAM_EXECUTABLE="/usr/share/java/pdfsam/bin/pdfsam.sh"
+
+run_pdfsam() {
+    exec "${PDFSAM_EXECUTABLE}"
+    exit 0
+}
+
+export JAVA_HOME=/usr/lib/jvm/jre-11
+export JDK_HOME=/usr/lib/jvm/jre-11
+export JRE_HOME=/usr/lib/jvm/jre-11
+
+run_pdfsam
diff --git a/pdfsam-4.2.12-linux.tar.gz b/pdfsam-4.2.12-linux.tar.gz
new file mode 100644
index 0000000..f0fdae5
Binary files /dev/null and b/pdfsam-4.2.12-linux.tar.gz differ
diff --git a/pdfsam.png b/pdfsam.png
new file mode 100644
index 0000000..005074d
Binary files /dev/null and b/pdfsam.png differ
diff --git a/pdfsam.spec b/pdfsam.spec
new file mode 100644
index 0000000..9dbbe65
--- /dev/null
+++ b/pdfsam.spec
@@ -0,0 +1,90 @@
+#
+# spec file for package pdfsam
+#
+# Copyright (c) 2022 UnitedRPMs.
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+# Please submit bugfixes or comments via https://goo.gl/zqFJft
+#
+
+%global _iconsdir %{_datadir}/icons
+%global _javadir %{_datadir}/java
+
+Name:		pdfsam
+Version:	4.2.12
+Release:	1
+Summary:	PDF Split and Merge enhanced
+Group:		Applications/Publishing
+License:	GPLv3
+URL:		https://pdfsam.org/
+Source0:	https://github.com/torakiki/%{name}/releases/download/v%{version}/%{name}-%{version}-linux.tar.gz
+Source1:	pdfsam
+Source2:	pdfsam.png
+Source3:	org.pdfsam.pdfsam.metainfo.xml
+
+BuildArch:	noarch
+BuildRequires:	gendesk
+Requires:	java-11-openjdk
+
+
+%description
+PDFsam is a simple, platform independent software designed to split and merge
+pdf files. It's stable, completely free and it should cover most of your
+needs.
+
+
+%prep
+%autosetup -n %{name}-%{version}-linux
+
+%build
+# create *.desktop file
+gendesk -f -n \
+          --pkgname="%{name}" \
+          --pkgdesc="A free open source tool to split and merge pdf documents" \
+          --name="PDFsam" \
+          --categories="Office"
+
+
+%install
+
+  install -dm755 "$RPM_BUILD_ROOT/usr/share/java/%{name}/lib"
+  install -Dm644 "pdfsam-basic-%{version}.jar" \
+                 "$RPM_BUILD_ROOT/usr/share/java/%{name}/"
+  install -Dm644 lib/* \
+                 "$RPM_BUILD_ROOT/usr/share/java/%{name}/lib"
+  install -Dm755 "bin/pdfsam.sh" \
+                 "$RPM_BUILD_ROOT/usr/share/java/%{name}/bin/pdfsam.sh"
+
+  # exec
+  install -Dm755 %{S:1} "$RPM_BUILD_ROOT/usr/bin/pdfsam"
+
+  # desktop
+  install -Dm644 %{S:2} "$RPM_BUILD_ROOT/usr/share/pixmaps/pdfsam.png"
+  install -Dm644 "%{name}.desktop" "$RPM_BUILD_ROOT/usr/share/applications/%{name}.desktop"
+  
+  # Appdata
+  install -Dm 0644 %{S:3} %{buildroot}/%{_metainfodir}/org.pdfsam.pdfsam.metainfo.xml
+  
+  # mangling shebang fix
+   sed -i 's|/bin/sh|/usr/bin/sh|g' %{buildroot}/%{_datadir}/java/pdfsam/bin/pdfsam.sh
+
+%files
+%license LICENSE.txt
+%{_bindir}/%{name}
+%{_datadir}/applications/%{name}.desktop
+%{_metainfodir}/org.pdfsam.pdfsam.metainfo.xml
+%{_datadir}/pixmaps/%{name}.png
+%{_javadir}/%{name}/
+
+
+%changelog
+* Fri May 26 2023 wangtaozhi <wangtaozhi@kylinsec.com.cn> - 4.2.12-1
+- Package init
diff --git a/pdfsam.yaml b/pdfsam.yaml
new file mode 100644
index 0000000..642f724
--- /dev/null
+++ b/pdfsam.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: https://github.com/torakiki/pdfsam
+tag_prefix: "v"
+separator: "."