MALICIOUS — free-robux-no-verification-no-download_GM431946152.pdf
MALICIOUS — free-robux-no-verification-no-download_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
ff8ba7ce8d6dc5c6ba18690b4d9f0f469f21bf4bed7edcdfceeb6014ac4527ed - SHA-1:
589a3c8e8d064fd610f51325a9d90ae6fbc6ced9 - MD5:
25f56b420d23437476c34bd266e8de82 - ssdeep:
768:nJGDi/0v319YTE2dIOImC7KjSqc45hmACRgeGQlWzZJ:nQDPvlmE2dn2qxCRmQEVJ - TLSH:
T16630CFF74117CD2C3256970396F97065B48897C8B071EE6880C93B3CC4A8AFE6F61922 - Submitted as: free-robux-no-verification-no-download_GM431946152.pdf
- File type: pdf · Size: 37003 bytes
- Verdict: malicious (75/100)
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
- Emsisoft (Emergency Kit): PDF.Spam.Heur.2
- Trellix Stinger (McAfee): PDF/Phish-TWM!25F56B420D23
MITRE ATT&CK
Why this verdict
The malicious score of 75/100 is the fusion of 7 weighted signals:
- Contacted 12 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-robux-no-survey-or-human-verification_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://netcdn.xyz/app/431946152/free-robux-no-verification-no-download-game-hack, http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-robux-no-survey-or-human-verification_GM431946152.pdf, http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/robux-com-roblox_GM431946152.pdf - static signal, weight 0.35, confidence 0.60
- Document active content: uri-action - static signal, weight 0.30, confidence 0.60
- Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9636 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- desktop-hsgcbep
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep._dosvc._tcp.local
- 251.0.0.224.in-addr.arpa
- desktop-hsgcbep(1)._dosvc._tcp.local
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d84327978b4071d6346cf3e096ff7b06.png -
19f20bd6db4d39391bf5a5a3f0243d972222063925b476c980f605554abb74f3 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
de9919f1eb8cae15ce7ce9cfd3b474539d156ab3529fce0b504a17f604e8032d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.xyz/app/431946152/free-robux-no-verification-no-download-game-hack
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-robux-no-survey-or-human-verification_GM431946152.pdf
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/robux-com-roblox_GM431946152.pdf
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-free-cards-hack_GM406889139.pdf
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/hack-to-protect-village-on-coin-master_GM406889139.pdf
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/pubg-uc-kaufen_GM1330123889.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- netcdn.xyz
- johnrealestate.in
Embedded IP addresses
- 52.123.252.242
- 52.110.12.4
- 20.247.185.124
- 4.230.171.124
- 4.247.188.224
- 135.233.45.221
- 20.236.44.162
- 20.165.94.63
- 74.178.232.29
- 20.42.73.31
- 52.123.129.14
- 203.26.79.13
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report