diff --git a/test/invalid/prev-oob.pdf b/test/invalid/prev-oob.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2f82dde9047bfc9fdbeb729a89adad77c7d7fdb2
--- /dev/null
+++ b/test/invalid/prev-oob.pdf
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diff --git a/test/invalid/startxref-oob.pdf b/test/invalid/startxref-oob.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7b5b9590fee12bcda00031db636fe769fdf90c8c
--- /dev/null
+++ b/test/invalid/startxref-oob.pdf
@@ -0,0 +1,74 @@
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