diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index a625d0b..1d66c26 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -665,6 +665,9 @@
 # TODO(chromium:237527): Remove after associated bug is fixed
 bug_237527_1.in * * * *
 
+# TODO(crbug.com/346766787): Remove after associated bug is fixed
+bug_346766787.in * * * *
+
 # TODO(chromium:451366): Remove after associated bug is fixed
 bug_451366.in * * * agg
 
diff --git a/testing/resources/pixel/bug_346766787.in b/testing/resources/pixel/bug_346766787.in
new file mode 100644
index 0000000..f519479
--- /dev/null
+++ b/testing/resources/pixel/bug_346766787.in
@@ -0,0 +1,72 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+{{object 2 0}} <<
+  /Type /Pages
+  /Count 1
+  /Kids [3 0 R]
+>>
+endobj
+{{object 3 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Contents 4 0 R
+  /MediaBox [0 0 200 200]
+  /Resources <<
+    /XObject <<
+      /X0 5 0 R
+    >>
+  >>
+>>
+endobj
+{{object 4 0}} <<
+  {{streamlen}}
+>>
+stream
+q
+1 0 0 rg
+0 0 200 200 re f
+/X0 Do
+Q
+endstream
+endobj
+{{object 5 0}} <<
+  /Type /XObject
+  /Subtype /Form
+  /BBox [0 0 200 200]
+  /Resources <<
+    /XObject <<
+      /IM0 6 0 R
+    >>
+  >>
+  {{streamlen}}
+>>
+stream
+q
+200 0 0 200 0 0 cm
+/IM0 Do
+Q
+endstream
+endobj
+{{object 6 0}} <<
+  /Type /XObject
+  /Subtype /Image
+  /Width 1
+  /Height 1
+  /BitsPerComponent 8
+  /ColorSpace /DeviceCMYK
+  /Filter /ASCIIHexDecode
+  /Mask [0 0 0 0 0 0 0 0]
+  {{streamlen}}
+>>
+stream
+00000000
+endstream
+endobj
+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_346766787_expected.pdf.0.png b/testing/resources/pixel/bug_346766787_expected.pdf.0.png
new file mode 100644
index 0000000..677492d
--- /dev/null
+++ b/testing/resources/pixel/bug_346766787_expected.pdf.0.png
Binary files differ