diff --git a/tests/__init__.py b/tests/__init__.py
index 2733a0f..ff9d57d 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -14,7 +14,8 @@ test_docs_dir = Path(__file__).parent.joinpath(SAMPLE_DIRECTORY)
 test_docs = [
     p
     for p in test_docs_dir.rglob("*")
-    if p.is_file() and not p.name.endswith(SAFE_EXTENSION)
+    if p.is_file()
+    and not (p.name.endswith(SAFE_EXTENSION) or p.name.startswith("sample_bad"))
 ]
 
 # Pytest parameter decorators
diff --git a/tests/test_docs/sample_bad_pdf.pdf b/tests/test_docs/sample_bad_pdf.pdf
new file mode 100644
index 0000000..0e99b63
--- /dev/null
+++ b/tests/test_docs/sample_bad_pdf.pdf
@@ -0,0 +1 @@
+badpdf