Is konstruktor33.ru safe?

No. MalwareAnalyzer scanned konstruktor33.ru on 20 Aug 2026 and returned a malicious verdict with a score of 74 out of 100, categorised as suspicious-infrastructure. Treat it as hostile until it is re-checked.

How was konstruktor33.ru checked?

A static pass resolved DNS, captured TLS and headers and followed the redirect chain, and where the fast tier allows, a headless browser rendered the page and recorded every request. Egress is SSRF-locked. Signatures that matched only page text are weighted far below one that matched a served file, because a page documenting malware matches the same rules.

konstruktor33.ru - malicious URL scan, 20 Aug 2026

MalwareAnalyzer by Cyble scanned konstruktor33.ru and returned a malicious verdict (score 74), categorised as suspicious-infrastructure. The page resolved to 195.208.1.147 on JSC "RU-CENTER" in RU. 1 domain and 1 IP were contacted. This is a point-in-time observation from 20 Aug 2026; the page may have changed since.

Scan result

Verdict: malicious (score 74) · Confidence 86%
Scanned URL: http://konstruktor33.ru/app/webroot/files/files/99281631545.pdf
Domain: konstruktor33.ru · IP: 195.208.1.147 · AS48287 · RU
Server: openresty
HTTP status: 200 · application/pdf
Scan tier: fast · observed 2026-08-20 14:20:56 UTC

Antivirus & YARA (1 of 47 engines)

ClamAV (daily) [av]: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (served file)

Why this verdict

Antivirus/YARA detection in page content: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Algorithmically-generated (DGA-like) hostname
File download routed to the malware sandbox (99281631545.pdf)
Served over plaintext HTTP

Contacted infrastructure

195.208.1.147 - AS48287 JSC "RU-CENTER" (Russian Federation)

Files served by this page

99281631545.pdf · c65214f92a26cc5d61bd616ffe10caa2

Observed indicators

konstruktor33.ru
195.208.1.147
http://konstruktor33.ru/app/webroot/files/files/99281631545.pdf

Other scans of konstruktor33.ru (2)

This host has been scanned before. Each scan is a separate observation, so a verdict here does not carry over to the others.

23 Aug 2026 - malicious · http://konstruktor33.ru/app/webroot/files/files/71738640215.pdf
20 Aug 2026 - malicious

Questions about konstruktor33.ru

Is konstruktor33.ru safe?: No. MalwareAnalyzer scanned konstruktor33.ru on 20 Aug 2026 and returned a malicious verdict with a score of 74 out of 100, categorised as suspicious-infrastructure. Treat it as hostile until it is re-checked.
How was konstruktor33.ru checked?: A static pass resolved DNS, captured TLS and headers and followed the redirect chain, and where the fast tier allows, a headless browser rendered the page and recorded every request. Egress is SSRF-locked. Signatures that matched only page text are weighted far below one that matched a served file, because a page documenting malware matches the same rules.

Scanned at the fast tier - see how URL scanning works.

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Scanned on MalwareAnalyzer by Cyble · Open interactive scan