SUSPICIOUS — free-robux-no-survey-or-human-verification_GM431946152.pdf
SUSPICIOUS — free-robux-no-survey-or-human-verification_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (54/100). 5 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
64617391c1757afbcf53496b497d11ffa9fdd022e11f398a115ec41b0b5170d2 - SHA-1:
a86143799ddd9161c807055ed8c4eb7ea73089ac - MD5:
ff06de3422bc3e934348edc18ec4ab2b - ssdeep:
768:x4ajP+aFIfIN6/AWVfHH4zXluIIiuFIZnE06HkN9DMERVQ4H:x7N0F5HSbIlFI9E00iDvVQ4H - TLSH:
T1E8327FF75397DC4C778ADF439DE728A9B88897487021D9C18058363CC479ABEBE41521 - Submitted as: free-robux-no-survey-or-human-verification_GM431946152.pdf
- File type: pdf · Size: 44686 bytes
- Verdict: suspicious (54/100)
Detections (5 of 53 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!FF06DE3422BC
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 54/100 is the fusion of 7 weighted signals:
- Contacted 13 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://privatearrangements.co.nz/public/files/roblox-hack-tool_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://netcdn.xyz/app/431946152/free-robux-no-survey-or-human-verification-game-hack, https://privatearrangements.co.nz/public/files/free-minecraft-addons_GM479516143.pdf, https://privatearrangements.co.nz/public/files/coin-master-on-facebook_GM406889139.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9666 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
- outlook.cloud.microsoft
- ntp.ubuntu.com
- 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
- 250.255.255.239.in-addr.arpa
- 252.0.0.224.in-addr.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
- 255.255.254.169.in-addr.arpa
- 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
- 79.243.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ff34eadb266447daf3f9a53626d7b23d.png -
7c3420069f704e08bbb17e4c7c101dac0574b0c0b770ec6f3c9e46fb8bc9b694 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9aabe1fa7a4e9c9d23a26806b227c7d0c0b7dd1b4823499f76529825095824ef - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.xyz/app/431946152/free-robux-no-survey-or-human-verification-game-hack
- https://privatearrangements.co.nz/public/files/free-minecraft-addons_GM479516143.pdf
- https://privatearrangements.co.nz/public/files/coin-master-on-facebook_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/coin-spin_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/roblox-free-hair-boy_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/coin-master-free-spins-hack-without-human-verification_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/getrobux-ninja_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/roblox-hack-tool_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/coin-master_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/coin-master-free-spin-link-app_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/online-hacking-tricks-coin-master_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/free-robux-websites-that-actually-work_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/roblox-website-robux_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/how-to-get-free-roebucks-on-roblox_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/how-to-watch-ads-for-free-spins-in-coin-master_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/free-coin-master-spins-blog_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/coin-master-hacks-to-get-spins_GM406889139.pdf
- https://privatearrangements.co.nz/public/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/bloxpink-free-robux_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/get-free-robux-info_GM431946152.pdf
- https://privatearrangements.co.nz/public/files/free-robux-no-verification-no-survey_GM431946152.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/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- netcdn.xyz
- privatearrangements.co.nz
Embedded IP addresses
- 52.110.12.4
- 20.184.175.19
- 20.236.44.162
- 4.230.171.124
- 20.165.94.54
- 135.233.95.144
- 4.247.188.233
- 20.50.201.205
- 74.178.76.128
- 52.123.128.14
- 203.26.79.13
- 162.159.36.2
- 40.99.133.210
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report