SUSPICIOUS — free-robux-generator-no-verification_GM431946152.pdf
SUSPICIOUS — free-robux-generator-no-verification_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 5 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
6acb3123f712e4f98c6ae40e9f642475bc6d5491ec9d28d93ccc6cb86bac3407 - SHA-1:
667134fdd4fdaa24d9d158a5d522e7cb2b506569 - MD5:
65e5a4d37ea643705b2b364c36c930d8 - ssdeep:
768:etee80lvsEXkot8qwhVanSfiXdJXsuSCH+DIoezD1500xS02RSFvF9YRF:etU65rwhZsdJc0bLZ50GSVqY3 - TLSH:
T11A327DF71197CD8C7A8A8B07A8F3156834D9D7D86162EB504198BB7CD06C1FEAF01A21 - Submitted as: free-robux-generator-no-verification_GM431946152.pdf
- File type: pdf · Size: 46088 bytes
- Verdict: suspicious (66/100)
Detections (5 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!65E5A4D37EA6
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 66/100 is the fusion of 7 weighted signals:
- Embedded link rated suspicious by URL analysis: http://www.biochemix.com/uploaded_files/userfiles/files/roblox-promo-codes-2021-robux_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://netcdn.xyz/app/431946152/free-robux-generator-no-verification-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/roblox-promo-codes-2021-robux_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/how-to-earn-free-robux_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 - Contacted 16 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9640 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- 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
- ntp.ubuntu.com
- 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
- desktop-hsgcbep
- 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
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\953b4ca619c4623a888abf8f61b6e9f3.png -
a1589ab94d34e20214a014bf7507084daa2bd4d65baa84f543b6d9168f769abc - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a990f1b00fdcfb324a3792d9515ed036a8a1bac37440f127fc00e7e6746489a8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.xyz/app/431946152/free-robux-generator-no-verification-game-hack
- http://www.biochemix.com/uploaded_files/userfiles/files/roblox-promo-codes-2021-robux_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-earn-free-robux_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/robux-get-com_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-2021-apk_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/universal-minecraft-converter-free_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/robux-hack-me_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/robux-codes-generator-no-human-verification_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/get-free-spins-on-coin-master_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-on-coin-master-cheat_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-link-facebook-page_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-2021_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-apk_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/hackear-juego-coin-master_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-no-human-verification_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/www-roblox-com-robux-free_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/202100-free-spins-coin-master_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hacks-and-cheats_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-free_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- netcdn.xyz
- www.biochemix.com
Embedded IP addresses
- 135.232.92.137
- 52.123.252.244
- 52.110.12.3
- 52.110.12.8
- 4.230.171.124
- 52.230.60.54
- 74.179.77.164
- 4.150.223.98
- 72.145.35.109
- 20.165.94.63
- 4.150.223.99
- 52.123.128.14
- 52.168.117.175
- 52.123.129.14
- 162.159.36.2
- 203.26.79.13
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report