Place all pages in pdf into indesign

You are finding PlaceMultipagePDF.jsx script and here is it for you

//PlaceMultipagePDF.jsx
//An InDesign CS3 JavaScript
//
//Places all of the pages of a multi-page PDF.
//
//For more on InDesign scripting, go to http://www.adobe.com/products/indesign/xml_scripting.html
//or visit the InDesign Scripting User to User forum at http://www.adobeforums.com
//
//Display a standard Open File dialog box.
var myPDFFile = File.openDialog("Choose a PDF File");
if((myPDFFile != "")&&(myPDFFile != null)){
     var myDocument, myPage;
    if(app.documents.length != 0){
        myDocument, myNewDocument = myChooseDocument();
    }
    else{
          myDocument = app.documents.add();
          myNewDocument = false;
    }
    if(myNewDocument == false){
         myPage = myChoosePage(myDocument);
    }
    else{
        myPage = myDocument.pages.item(0);
    }
    myPlacePDF(myDocument, myPage, myPDFFile);
}
function myChooseDocument(){
    var myDocumentNames = new Array;
    myDocumentNames.push("New Document");
    //Get the names of the documents
    for(var myDocumentCounter = 0;myDocumentCounter < app.documents.length; myDocumentCounter++){
        myDocumentNames.push(app.documents.item(myDocumentCounter).name);
    }
    var myChooseDocumentDialog = app.dialogs.add({name:"Choose a Document", canCancel:false});
    with(myChooseDocumentDialog.dialogColumns.add()){
        with(dialogRows.add()){
            with(dialogColumns.add()){
                staticTexts.add({staticLabel:"Place PDF in:"});
            }
            with(dialogColumns.add()){
                var myChooseDocumentDropdown = dropdowns.add({stringList:myDocumentNames, selectedIndex:0});
            }
        }
    }
     myChooseDocumentDialog.show();
    if(myChooseDocumentDropdown.selectedIndex == 0){
        myDocument = app.documents.add();
        myNewDocument = true;
    }
    else{
         myDocument = app.documents.item(myChooseDocumentDropdown.selectedIndex-1);
        myNewDocument = false;
    }
    myChooseDocumentDialog.destroy();
    return myDocument, myNewDocument;
}
function myChoosePage(myDocument){
    var myPageNames = new Array;
    //Get the names of the pages in the document
    for(var myCounter = 0; myCounter < myDocument.pages.length;myCounter++){
        myPageNames.push(myDocument.pages.item(myCounter).name);
    }
    var myChoosePageDialog = app.dialogs.add({name:"Choose a Page", canCancel:false});
    with(myChoosePageDialog.dialogColumns.add()){
        with(dialogRows.add()){
            with(dialogColumns.add()){
                staticTexts.add({staticLabel:"Place PDF on:"});
            }
            with(dialogColumns.add()){
                var myChoosePageDropdown = dropdowns.add({stringList:myPageNames, selectedIndex:0});
            }
        }
    }
    myChoosePageDialog.show();
    var myPage = myDocument.pages.item(myChoosePageDropdown.selectedIndex);
    myChoosePageDialog.destroy();
    return myPage;
}
function myPlacePDF(myDocument, myPage, myPDFFile){
     var myPDFPage;
     app.pdfPlacePreferences.pdfCrop = PDFCrop.cropMedia;
     var myCounter = 1;
     var myBreak = false;
     while(myBreak == false){
          if(myCounter > 1){
               myPage = myDocument.pages.add(LocationOptions.after, myPage);
          }
          app.pdfPlacePreferences.pageNumber = myCounter;
          myPDFPage = myPage.place(File(myPDFFile), [0,0])[0];
          if(myCounter == 1){
               var myFirstPage = myPDFPage.pdfAttributes.pageNumber;
          }
          else{
               if(myPDFPage.pdfAttributes.pageNumber == myFirstPage){
                    myPage.remove();
                    myBreak = true;
               }
          }
          myCounter = myCounter + 1;
     }
}

Shonky