Security Scan Report: khoahoc.vietjack.com

Submitted: Jan 23, 2026, 8:56:47 AMCompleted: Jan 23, 2026, 8:58:47 AMpubliccompleted
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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
AS63949Akamai Connected Cloud
15216.58.206.67United States
AS15169GOOGLE
15203.137.133.37Unknown
AS396982GOOGLE-CLOUD-PLATFORM
15103.28.38.19Vietnam
AS131353NhanHoa Software company
15142.251.140.170United States
AS15169GOOGLE
15103.28.37.87Vietnam
AS131353NhanHoa Software company
15104.18.11.207Unknown
AS24572Yahoo Japan
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