AttachmentList.cmp
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<aura:component implements="flexipage:availableForAllPageTypes,force:hasRecordId,forceCommunity:availableForAllPageTypes" access="global" controller="AttachmentListController"> 
    
     
      
     <aura:attribute name="recordId" type="Id"/>
     <aura:attribute name="files" type="List"/>
     <aura:handler name="init" value="{!this}" action="{!c.doInit}"/>
    
    
    
    
    <table class="slds-table slds-table_cell-buffer slds-table_bordered">
             <thead>
            <tr class="slds-line-height_reset">
              <th scope="col"><div class="slds-truncate" title="Name">Anexos</div></th>
              <th scope="col"><div class="slds-truncate" title="tipo">Tipo</div></th>

            </tr>
          </thead>
          
        
        <tbody>
           <aura:iteration items="{!v.files}" var="obj">
                <tr>
                    <th scope="row"> <a href="{!'/portal/servlet.shepherd/version/download/'+obj.Id}">{!obj.Title}</a>   </th> 

                    <!-- <th scope="row"> <a href="{!'/portal/servlet/servlet.FileDownload?file='+obj.Id}" >{!obj.Title}</a>   </th> -->
                  
                  <th scope="row"><div class="slds-truncate" title="Type">{!obj.FileType}</div></th>
                    
                   
                   
                    <td>
                    
                        
	        </td>
                </tr>
            </aura:iteration>
          </tbody>
        </table>
    
    
    
    
	
</aura:component>

AttachmentListController.js
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({
	
    

    doInit : function(component, event, helper) {
			  $A.enqueueAction(component.get('c.getList'));
	},
    
    
    doInit : function(component, event, helper) { 
        $A.enqueueAction(component.get('c.getList')); 
    }, 
    
    
    getList: function(component, event, helper) { 
        var action = component.get("c.getContentDocs"); 
        action.setParams( { 
            arecordId : component.get('v.recordId')
        }); 
        action.setCallback(this, function(actionResult) {
            component.set('v.files',actionResult.getReturnValue()); 
        }); 
        $A.enqueueAction(action); 
    },
    
    
    
    
    
    

    
    
})

AttachmentListController.apxc
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public class AttachmentListController {
    
  @AuraEnabled
    public static List<ContentDocument> getContentDocs(Id arecordId) {
        List<ContentDocumentLink> CDLs = [SELECT ContentDocumentId FROM ContentDocumentLink WHERE LinkedEntityId = :arecordId];
        if (CDLs.size() < 1) {
            return new List<ContentDocument>();
        }
        List<Id> CDIdList = new List<Id> (); 
        for (ContentDocumentLink nextCDL : CDLs) { 
            CDIdList.add(nextCDL.ContentDocumentId); 
        } 
        List<ContentDocument> entries = [SELECT Id, Title, FileType FROM ContentDocument WHERE Id IN :CDIdList]; 
        return entries;
    }
     
    
    

}