diff --git a/SDWebImage/Core/NSData+ImageContentType.h b/SDWebImage/Core/NSData+ImageContentType.h
index 5bbb4ae6..8c2f97e8 100644
--- a/SDWebImage/Core/NSData+ImageContentType.h
+++ b/SDWebImage/Core/NSData+ImageContentType.h
@@ -23,6 +23,8 @@ static const SDImageFormat SDImageFormatTIFF      = 3;
 static const SDImageFormat SDImageFormatWebP      = 4;
 static const SDImageFormat SDImageFormatHEIC      = 5;
 static const SDImageFormat SDImageFormatHEIF      = 6;
+static const SDImageFormat SDImageFormatPDF       = 7;
+static const SDImageFormat SDImageFormatSVG       = 8;
 
 /**
  NSData category about the image content type and UTI.
diff --git a/SDWebImage/Core/NSData+ImageContentType.m b/SDWebImage/Core/NSData+ImageContentType.m
index 34dd4aa0..b3b8e22b 100644
--- a/SDWebImage/Core/NSData+ImageContentType.m
+++ b/SDWebImage/Core/NSData+ImageContentType.m
@@ -93,6 +93,12 @@
         case SDImageFormatHEIF:
             UTType = kSDUTTypeHEIF;
             break;
+        case SDImageFormatPDF:
+            UTType = kUTTypePDF;
+            break;
+        case SDImageFormatSVG:
+            UTType = kUTTypeScalableVectorGraphics;
+            break;
         default:
             // default is kUTTypePNG
             UTType = kUTTypePNG;
@@ -120,6 +126,10 @@
         imageFormat = SDImageFormatHEIC;
     } else if (CFStringCompare(uttype, kSDUTTypeHEIF, 0) == kCFCompareEqualTo) {
         imageFormat = SDImageFormatHEIF;
+    } else if (CFStringCompare(uttype, kUTTypePDF, 0) == kCFCompareEqualTo) {
+        imageFormat = SDImageFormatPDF;
+    } else if (CFStringCompare(uttype, kUTTypeScalableVectorGraphics, 0) == kCFCompareEqualTo) {
+        imageFormat = SDImageFormatSVG;
     } else {
         imageFormat = SDImageFormatUndefined;
     }