Security Scan Report: khoahoc.vietjack.com

Submitted: Jan 23, 2026, 8:56:47 AMCompleted: Jan 23, 2026, 8:58:47 AMpubliccompleted
Loading additional data...

Summary

This website contacted 14 IPs in 3 countries across 15 domains to perform 176 HTTP transactions. The main domain is khoahoc.vietjack.com and was registered NaN years ago.

Submitted URL: https://khoahoc.vietjack.com

The Cisco Umbrella rank of the primary domain is #314,149 of the top 1 million websites

AI Security Verdict

Low Risk

Confidence: 92%

3
Risk Score

Legitimate educational site with login form; low risk despite hidden password field.

Risk Factors
Hidden password field detected
Safety Factors
Domain age >10 years (well established)
No malicious Indicators of Compromise matches
No JavaScript malware patterns detected
Meta tags do not claim to be a major brand
Domain age information unavailable

Details

Page Title

Trang khóa học, tài liệu, đề thi, website giáo dục nhiều người truy cập nhất Việt Nam

Scan Type

public

Language

🇻🇳

VI

(80% confidence)

Category

education learning

(92%)

Domain Information

The domain name 'khoahoc.vietjack.com' uses the commercial generic top-level domain (.com) with subdomain 'khoahoc'. The registrable portion 'vietjack' spans 8 characters holding 3 vowels versus five consonants. Breaking it apart gives 2 words: viet, jack. The median word length lands at four characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://khoahoc.vietjack.com

Page Load Overview

24.49s
Total Load Time
212
HTTP Requests
27
Domains
2.7 MB
Total Size

Language Analysis

Primary Language

🇻🇳Vietnamese
Code: vi
Confidence:80%
Script:Unknown
Direction:ltr

Detection Details

Language Code:vi
Detection Confidence:80%
Script Type:Unknown
HTML Lang Attribute:vi
Text Length:48,482 chars
Detector Agreement:100%

Website Classification

Primary Category

education learning92% confidence
Type: webapp
Method: ml+structural

All Detected Categories

education learning
92%
government public service
48%
documentation technical
29%
adult content
28%

Detected Features

Login Form
Search
OG: website

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
17142.251.140.162United States
AS15169GOOGLE
15157.240.0.6Frankfurt am Main, Hesse, Germany
AS32934FACEBOOK
15172.217.18.14United States
15216.58.206.67United States
AS15169GOOGLE
15203.137.133.37Unknown
15103.28.38.19Vietnam
AS131353NhanHoa Software company
15142.251.140.170United States
AS15169GOOGLE
15103.28.37.87Vietnam
AS131353NhanHoa Software company
15104.18.11.207Unknown
15104.17.25.14United States
AS13335CLOUDFLARENET
21214--

Detected Technologies7

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T15EE4BA3540F461B7046684D29B302B2BBEC9EA57CF97558276AC9BD09FE7C92DC8320D

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

3072:t1GEbL2Om/Ky8j38HSfSncuWPPHSYshpVPEQ50fwsU1jMoYMpEssd:bGEbL2Om/Ky8j38HSfSn2wM

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:711591:MGViAaoMMOE9UVQQBGCooAMAArEAr+ExCCEgSERBwyQwIYAIAZDcFQzAgBN4OhoqBAEppIQKBOgKxIBcnWDCa6IgAGjSUGEC

These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.

Image Hashes

Perceptual Hashes

Average Hash:00ffff3e7e7e7e7e
Perceptual Hash:d52b5c4a562b7722
Difference Hash:f1350ed4d4d4d4d4
Wavelet Hash:00ffe7007c342e7e
Color Hash:#96c587

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data