diff --git a/samples/bugs/PullRequest794.pdf b/samples/bugs/PullRequest794.pdf
new file mode 100644
index 00000000..71855760
Binary files /dev/null and b/samples/bugs/PullRequest794.pdf differ
diff --git a/samples/bugs/PullRequestStartxrefWhitespaceXrefStream.pdf b/samples/bugs/PullRequestStartxrefWhitespaceXrefStream.pdf
new file mode 100644
index 00000000..9d15f247
Binary files /dev/null and b/samples/bugs/PullRequestStartxrefWhitespaceXrefStream.pdf differ
diff --git a/src/Smalot/PdfParser/RawData/RawDataParser.php b/src/Smalot/PdfParser/RawData/RawDataParser.php
index ec8d01e5..746dcd46 100644
--- a/src/Smalot/PdfParser/RawData/RawDataParser.php
+++ b/src/Smalot/PdfParser/RawData/RawDataParser.php
@@ -922,19 +922,27 @@ protected function getXrefData(string $pdfData, int $offset = 0, array $xref = [
             throw new \Exception('Unable to find xref (PDF corrupted?)');
         }
 
+        // Some files point startxref to the whitespace right before the xref keyword or stream object.
+        $startxrefOffset = $startxref + strspn($pdfData, $this->config->getPdfWhitespaces(), $startxref);
+        // Be tolerant if startxref points one byte into the xref keyword ("ref").
+        if ($startxrefOffset > 0 && strpos($pdfData, 'xref', $startxrefOffset - 1) == $startxrefOffset - 1) {
+            --$startxrefOffset;
+        }
+
         // check xref position
-        if (strpos($pdfData, 'xref', $startxref) == $startxref) {
+        if (strpos($pdfData, 'xref', $startxrefOffset) == $startxrefOffset) {
             // Cross-Reference
-            $xref = $this->decodeXref($pdfData, $startxref, $xref, $visitedOffsets);
+            $xref = $this->decodeXref($pdfData, $startxrefOffset, $xref, $visitedOffsets);
         } else {
             // Check if the $pdfData might have the wrong line-endings
             $pdfDataUnix = str_replace("\r\n", "\n", $pdfData);
-            if ($startxref < \strlen($pdfDataUnix) && strpos($pdfDataUnix, 'xref', $startxref) == $startxref) {
+            $startxrefUnixOffset = $startxref + strspn($pdfDataUnix, $this->config->getPdfWhitespaces(), $startxref);
+            if ($startxrefUnixOffset < \strlen($pdfDataUnix) && strpos($pdfDataUnix, 'xref', $startxrefUnixOffset) == $startxrefUnixOffset) {
                 // Return Unix-line-ending flag
                 $xref = ['Unix' => true];
             } else {
                 // Cross-Reference Stream
-                $xref = $this->decodeXrefStream($pdfData, $startxref, $xref, $visitedOffsets);
+                $xref = $this->decodeXrefStream($pdfData, $startxrefOffset, $xref, $visitedOffsets);
             }
         }
         if (empty($xref)) {
diff --git a/tests/PHPUnit/Integration/DocumentIssueFocusTest.php b/tests/PHPUnit/Integration/DocumentIssueFocusTest.php
index 7c7fe7e6..a43d9412 100644
--- a/tests/PHPUnit/Integration/DocumentIssueFocusTest.php
+++ b/tests/PHPUnit/Integration/DocumentIssueFocusTest.php
@@ -111,4 +111,18 @@ public function testPDFDocEncodingDecode(): void
         $testSubject = '•†‡…—–ƒ⁄‹›−‰„“”‘’‚™ŁŒŠŸŽıłœšž';
         self::assertStringContainsString($testSubject, $details['Subject']);
     }
+
+    public function testParseFileWhenStartxrefPointsToLeadingWhitespaceInXrefStream(): void
+    {
+        $document = (new Parser())->parseFile($this->rootDir.'/samples/bugs/PullRequestStartxrefWhitespaceXrefStream.pdf');
+
+        self::assertCount(1, $document->getPages());
+    }
+
+    public function testParseFileWhenStartxrefPointsNearXrefKeyword(): void
+    {
+        $document = (new Parser())->parseFile($this->rootDir.'/samples/bugs/PullRequest794.pdf');
+
+        self::assertCount(1, $document->getPages());
+    }
 }