diff --git a/Tests/LibPDF/CMakeLists.txt b/Tests/LibPDF/CMakeLists.txt
index 514cea6353..536be7f6fd 100644
--- a/Tests/LibPDF/CMakeLists.txt
+++ b/Tests/LibPDF/CMakeLists.txt
@@ -10,6 +10,7 @@ set(TEST_FILES
     complex.pdf
     linearized.pdf
     non-linearized.pdf
+    password-is-sup.pdf
     type1.pdf
 )
 install(FILES ${TEST_FILES} DESTINATION home/anon/Documents/pdf)
diff --git a/Tests/LibPDF/TestPDF.cpp b/Tests/LibPDF/TestPDF.cpp
index fe6ef90772..1acb48fdd6 100644
--- a/Tests/LibPDF/TestPDF.cpp
+++ b/Tests/LibPDF/TestPDF.cpp
@@ -48,3 +48,12 @@ TEST_CASE(truncated_pdf_header_issue_10717)
     auto document = PDF::Document::create(string.bytes());
     EXPECT(document.is_error());
 }
+
+TEST_CASE(encrypted_with_aes)
+{
+    auto file = MUST(Core::MappedFile::map("password-is-sup.pdf"sv));
+    auto document = MUST(PDF::Document::create(file->bytes()));
+    EXPECT(document->security_handler()->try_provide_user_password("sup"sv));
+    MUST(document->initialize());
+    EXPECT_EQ(document->get_page_count(), 1U);
+}
diff --git a/Tests/LibPDF/password-is-sup.pdf b/Tests/LibPDF/password-is-sup.pdf
new file mode 100644
index 0000000000..e725cdc2a5
Binary files /dev/null and b/Tests/LibPDF/password-is-sup.pdf differ