diff --git a/chrome/browser/safe_browsing/download_protection/file_analyzer.cc b/chrome/browser/safe_browsing/download_protection/file_analyzer.cc
index 573c531f96abb..580e9f45b7851 100644
--- a/chrome/browser/safe_browsing/download_protection/file_analyzer.cc
+++ b/chrome/browser/safe_browsing/download_protection/file_analyzer.cc
@@ -230,6 +230,24 @@ void FileAnalyzer::StartExtractRarFeatures() {
 void FileAnalyzer::OnRarAnalysisFinished(
     const ArchiveAnalyzerResults& archive_results) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  // === POC observability (does not affect behavior) ===
+  LOG(ERROR) << "[POC] OnRarAnalysisFinished: success="
+             << archive_results.success
+             << " analysis_result="
+             << static_cast<int>(archive_results.analysis_result)
+             << " has_executable=" << archive_results.has_executable
+             << " has_archive=" << archive_results.has_archive
+             << " file_count=" << archive_results.file_count
+             << " archived_binary.size()="
+             << archive_results.archived_binary.size();
+  for (const auto& b : archive_results.archived_binary) {
+    LOG(ERROR) << "[POC]   archived_binary: file_path=\"" << b.file_path()
+               << "\" is_executable=" << b.is_executable()
+               << " is_archive=" << b.is_archive()
+               << " length=" << b.length()
+               << " has_digests=" << b.has_digests();
+  }
+  // === end POC observability ===
   base::UmaHistogramEnumeration("SBClientDownload.RarArchiveAnalysisResult",
                                 archive_results.analysis_result);
   LogAnalysisDurationWithAndWithoutSuffix("Rar");