Is grimastone.ru safe?

No. MalwareAnalyzer scanned grimastone.ru on 15 Aug 2026 and returned a malicious verdict with a score of 60 out of 100. Treat it as hostile until it is re-checked.

What malware is associated with grimastone.ru?

2 analysed samples communicate with this URL, including Phishing.

How was grimastone.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.

grimastone.ru - malicious URL scan, 15 Aug 2026

MalwareAnalyzer by Cyble scanned grimastone.ru and returned a malicious verdict (score 60). The page resolved to 31.31.197.86 on Reg.Ru Hosting in RU. 1 domain and 1 IP were contacted. 2 malware samples communicate with this URL (Phishing). This is a point-in-time observation from 15 Aug 2026; the page may have changed since.

Scan result

Verdict: malicious (score 60) · Confidence 69%
Scanned URL: http://grimastone.ru/files/72450590404.pdf
Domain: grimastone.ru · IP: 31.31.197.86 · AS197695 · RU
Server: nginx
HTTP status: 200 · application/pdf
Scan tier: fast · observed 2026-08-15 09:13:37 UTC

Malware communicating with this URL (2)

These samples were observed contacting or being served from grimastone.ru. Each links to its full analysis.

Phishing - referenced · cf5cca55427859418e021537312a687f · first seen 2026-08-15
Phishing - referenced (hosted here) · 3350278165d01e524eecb7e760ecc54d · first seen 2026-08-13

Antivirus & YARA (1 of 44 engines)

ClamAV (daily) [av]: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (served file)

Why this verdict

Antivirus/YARA detection in page content: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
File download routed to the malware sandbox (72450590404.pdf)
Served over plaintext HTTP

Detected technologies

Nginx

Contacted infrastructure

31.31.197.86 - AS197695 Reg.Ru Hosting (Russian Federation)

Files served by this page

72450590404.pdf · 4bec355558593534658a4238bb88e19e

Observed indicators

grimastone.ru
31.31.197.86
http://grimastone.ru/files/72450590404.pdf

Other scans of grimastone.ru (6)

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

19 Aug 2026 - malicious · http://grimastone.ru/files/noneja.pdf
19 Aug 2026 - malicious · http://grimastone.ru/files/noneja.pdf
15 Aug 2026 - malicious
15 Aug 2026 - malicious
15 Aug 2026 - malicious
13 Aug 2026 - malicious · http://grimastone.ru/files/dunobasojewamubotudamar.pdf

Questions about grimastone.ru

Is grimastone.ru safe?: No. MalwareAnalyzer scanned grimastone.ru on 15 Aug 2026 and returned a malicious verdict with a score of 60 out of 100. Treat it as hostile until it is re-checked.
What malware is associated with grimastone.ru?: 2 analysed samples communicate with this URL, including Phishing.
How was grimastone.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