SUSPICIOUS — new-roblox-exploit-hack-proxo_GM431946152.pdf
SUSPICIOUS — new-roblox-exploit-hack-proxo_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 4 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
a6c5034efbfab32036a343ebfaa25ed8a8ccf0e5eec7818c70fd8e42779050ae - SHA-1:
f4bb5a02a897777f88f6e0de0ff6cae27f08a6f8 - MD5:
3f64b466f3c22235ef1f98eaec4b1763 - ssdeep:
768:BvbShIHI7sGo/J9dwXwFyqdVe1SW2cPDFWIh9OhcG5e:BdIW1wPq/e1S0YI/tG5e - TLSH:
T19B305CF70097DC4C7A4A4B0779FB11AD608EE784617BDA6090E8BA2CE07C5BD6F11921 - Submitted as: new-roblox-exploit-hack-proxo_GM431946152.pdf
- File type: pdf · Size: 35847 bytes
- Verdict: suspicious (66/100)
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!3F64B466F3C2
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/minecraft-hacked-apk_GM479516143.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: http://netcdn.co/app/431946152/new-roblox-exploit-hack-proxo-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-hacked-apk_GM479516143.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/roblox-mobile-hack-tool-download_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 8 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)
9717 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- inference.location.live.net
- desktop-hsgcbep
- 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
- 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
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 162.159.142.9 US · San Francisco · AS13335 Cloudflare, Inc.
- 23.33.238.178
- 135.233.95.144 US · Des Moines · AS8075 Microsoft Limited
- 20.190.167.20
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c8ea1063182416ae854d2ca3c758ad2098d9ae83c13085ff90a9f1c87ef37862 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9271188696325e93576d0d67afa8adfa.png -
f818dd28f25d773a7e058b4bd847b636149fa736460a7bb2df3f1111b40a601c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.co/app/431946152/new-roblox-exploit-hack-proxo-game-hack
- http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-hacked-apk_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/roblox-mobile-hack-tool-download_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/coin-master-event-hack_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/free-tiktok-followers-youtube_GM835599320.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/dll-hacks-for-roblox_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-games-free-download_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/give-me-free-robux_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-116-apk-download_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/roblox-shadowrun-free-pass-code_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-phone_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/get-free-spins-coin-master_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-games-to-play-for-free_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-windows-10-code-free_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-play-minecraft-for-free-on-computer_GM479516143.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/master-coin-free-spin_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/free-coins-coin-master-2021_GM406889139.pdf
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-daily_GM406889139.pdf
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- netcdn.co
- www.biochemix.com
Embedded IP addresses
- 52.123.128.14
- 51.116.253.170
- 162.159.142.9
- 135.233.95.144
- 52.123.252.246
- 172.66.2.5
- 162.159.36.2
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report