SUSPICIOUS — free-robux-hacks-easy-2021_GM431946152.pdf

SUSPICIOUS — free-robux-hacks-easy-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (54/100). 5 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 680e5c6deabbe13238652dc2530ef1e33792e50779bc7142a5e5251da969c42d
• SHA-1: 3c1a95baccda96047928549f12acb12110a0777b
• MD5: 8718f17ec1ccfda8bbff4176757e5190
• ssdeep: 768:+Y5tbrcqCs8OWUFfovzqOoIPJDJuF2pEFdcVSQ2eZFtOCYC:+3qcCoWOoIhDJg2FVP9p
• TLSH: T131338DF75097CE5CBA8E4F47EDF532AE21C8D38D6062DE5081D8396C902C6AF7A11660
• Submitted as: free-robux-hacks-easy-2021_GM431946152.pdf
• File type: pdf · Size: 49106 bytes
• Verdict: suspicious (54/100)

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!8718F17EC1CC
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1112
• T1105
• T1566.002

Why this verdict

The suspicious score of 54/100 is the fusion of 7 weighted signals:

• Embedded link rated malicious by URL analysis: http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/hack-para-cualquier-juego-de-rpg-roblox_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-robux-hacks-easy-2021-game-hack, http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/free-robux-websites-that-actually-work-2021_GM431946152.pdf, http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-new-2021_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
• 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
• to-do.office.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
• desktop-hsgcbep
• desktop-hsgcbep._dosvc._tcp.local
• _dosvc._tcp.local
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt
• 23.40.52.209
• 20.190.142.167
• 23.33.238.100
• 192.168.122.105
• 13.69.109.130 NL · Amsterdam · AS8075 Microsoft Corporation
• 23.11.37.157

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 5b45e98892409c22072a187d190f68e6c1a0689ab0326675ea3267eec2fe8c91
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\01e035dc184eec7d0d71a4f0f1755f1f.png - 6e47afefafbaed6742c0db708fef342054b92c0f7a67816bc0b73d56370b0773
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://netcdn.tw/app/431946152/free-robux-hacks-easy-2021-game-hack
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/free-robux-websites-that-actually-work-2021_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/roblox-hack-clients-2021_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-no-survey_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/get-free-robux_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/hack-para-cualquier-juego-de-rpg-roblox_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/free-minecraft-java-account_GM479516143.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/le-hackean-jugando-a-roblox_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/roblox-apocalypse-rising-hack_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/tiktok-like-bot-free_GM835599320.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/is-there-any-free-ways-of-getting-robux_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/robux-free-2021_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-followers-without-human-verification_GM835599320.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification_GM835599320.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/master-coin-free-spin_GM406889139.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/adopt-me-roblox-hacks_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/free-robux-obby_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/coin-master-free-link_GM406889139.pdf
• http://elearning.man1konselkonda.sch.id/__statics/gudangsoal/files/hex-number-gives-free-robux-2021_GM431946152.pdf
• http://www.msftconnecttest.com/connecttest.txt

Embedded domains

• netcdn.tw
• elearning.man1konselkonda.sch.id

Embedded IP addresses

• 52.182.143.212
• 13.69.109.130
• 74.178.240.61
• 135.232.92.97
• 20.112.250.133
• 40.99.134.2
• 52.123.252.234
• 162.159.36.2

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report