diff --git a/Handles/HandleInformation.cs b/Handles/HandleInformation.cs
index 8afafc3..6c7d3f1 100644
--- a/Handles/HandleInformation.cs
+++ b/Handles/HandleInformation.cs
@@ -110,11 +110,14 @@ async public Task SendDocument()
     {
       foreach (string fatura in respostas)
       {
-        if (fatura == "None" || fatura == null || fatura == "")
-        {
-          continue;
-        }
-        await using Stream stream = System.IO.File.OpenRead(@$"{cfg.CURRENT_PATH}\tmp\{fatura}");
+        if (fatura == "None" || fatura == null || fatura == "") continue;
+        if(!PdfChecker.PdfCheck($"./tmp/{fatura}", request.informacao!))
+          throw new InvalidOperationException("ERRO: A fatura recuperada não corresponde com a solicitada!");
+      }
+      foreach (string fatura in respostas)
+      {
+        if (fatura == "None" || fatura == null || fatura == "") continue;
+        await using Stream stream = System.IO.File.OpenRead($"./tmp/{fatura}");
         await bot.SendDocumentAsyncWraper(user.id, stream, fatura);
         stream.Dispose();
         await bot.sendTextMesssageWraper(user.id, fatura, false);
diff --git a/Helpers/PdfChecker.cs b/Helpers/PdfChecker.cs
new file mode 100644
index 0000000..eeeb1d7
--- /dev/null
+++ b/Helpers/PdfChecker.cs
@@ -0,0 +1,27 @@
+namespace telbot;
+public static class PdfChecker
+{
+  public static bool PdfCheck(String filepath, String instalacao)
+  {
+    try
+    {
+      if(!System.IO.File.Exists(filepath)) return false;
+      var reader = new iTextSharp.text.pdf.PdfReader(filepath);
+      var text = new System.Text.StringBuilder();
+      for (int page = 1; page <= reader.NumberOfPages; page++) {
+        var strategy = new iTextSharp.text.pdf.parser.SimpleTextExtractionStrategy();
+        string currentText = iTextSharp.text.pdf.parser.PdfTextExtractor.GetTextFromPage(reader, page, strategy);
+        currentText = System.Text.Encoding.UTF8.GetString(System.Text.ASCIIEncoding.Convert(
+          System.Text.Encoding.Default, System.Text.Encoding.UTF8, System.Text.Encoding.Default.GetBytes(currentText)));
+        text.Append(currentText);
+      }
+      reader.Close();
+      String result = text.ToString();
+      return result.Contains(instalacao);
+    }
+    catch
+    {
+      return false;
+    }
+  }
+}
diff --git a/telbot.csproj b/telbot.csproj
index fb8f85b..258de98 100644
--- a/telbot.csproj
+++ b/telbot.csproj
@@ -12,6 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="dotenv.net" Version="3.1.2" />
+    <PackageReference Include="iTextSharp" Version="5.5.13.3" />
     <PackageReference Include="JWT" Version="10.0.0" />
     <PackageReference Include="System.Data.SQLite" Version="1.0.117" />
     <PackageReference Include="System.Management" Version="7.0.2" />