diff --git a/samples/negative/development/invalid_missing_url.json b/samples/positive/development/malware_no_url.json
similarity index 100%
rename from samples/negative/development/invalid_missing_url.json
rename to samples/positive/development/malware_no_url.json
diff --git a/schemas/development/malware.schema.json b/schemas/development/malware.schema.json
index a91879b..3f52a9b 100644
--- a/schemas/development/malware.schema.json
+++ b/schemas/development/malware.schema.json
@@ -30,8 +30,7 @@
                   "type": "string",
                   "description": "name of the malware"
                 }
-              },
-              "required": ["SourceUrl"]
+              }
             },
             {
               "$ref": "xarf_shared.schema.json#/properties/CommonProps"