diff --git a/test/pdfs/issue1049.pdf.link b/test/pdfs/issue1049.pdf.link
index c486dda43..189c4d948 100644
--- a/test/pdfs/issue1049.pdf.link
+++ b/test/pdfs/issue1049.pdf.link
@@ -1 +1 @@
-http://ernestinefont.com/wp-content/themes/iA3%201.2.1/assets/pdf/ErnestinePro-InfoGuide.pdf
+http://web.archive.org/web/20150117071901/http://ernestinefont.com/wp-content/themes/iA3%201.2.1/assets/pdf/ErnestinePro-InfoGuide.pdf
diff --git a/test/pdfs/issue1096.pdf.link b/test/pdfs/issue1096.pdf.link
index aa07f14dd..f00dbf320 100644
--- a/test/pdfs/issue1096.pdf.link
+++ b/test/pdfs/issue1096.pdf.link
@@ -1 +1 @@
-http://www.faithaliveresources.org/Content/Site135/FilesSamples/105315400440pdf_00000009843.pdf
+http://web.archive.org/web/20150910003730/http://www.faithaliveresources.org/Content/Site135/FilesSamples/105315400440pdf_00000009843.pdf
diff --git a/test/pdfs/issue1127.pdf.link b/test/pdfs/issue1127.pdf.link
index 2df2304ba..b0c9bd27b 100644
--- a/test/pdfs/issue1127.pdf.link
+++ b/test/pdfs/issue1127.pdf.link
@@ -1 +1 @@
-https://vmp.ethz.ch/pdfs/diplome/vordiplome/Block%201/Algorithmen_%26_Komplexitaet/AlgoKo_f08_Aufg.pdf
+http://web.archive.org/web/20160114105739/https://vmp.ethz.ch/pdfs/diplome/vordiplome/Block%201/Algorithmen_%26_Komplexitaet/AlgoKo_f08_Aufg.pdf
diff --git a/test/pdfs/issue1133.pdf.link b/test/pdfs/issue1133.pdf.link
index 2480ba8f8..8dd34ae84 100644
--- a/test/pdfs/issue1133.pdf.link
+++ b/test/pdfs/issue1133.pdf.link
@@ -1 +1 @@
-http://www.cscw2012.org/docs/program.pdf
+http://web.archive.org/web/20121101092038/http://cscw2012.org/docs/program.pdf
diff --git a/test/pdfs/issue1169.pdf.link b/test/pdfs/issue1169.pdf.link
index 46559a078..df49c5079 100644
--- a/test/pdfs/issue1169.pdf.link
+++ b/test/pdfs/issue1169.pdf.link
@@ -1 +1 @@
-http://www.cs.txstate.edu/~mb92/papers/gpgpu11.pdf
+http://web.archive.org/web/20120119074129/http://www.cs.txstate.edu/~mb92/papers/gpgpu11.pdf