MALICIOUS — c1c7fb85ad3b58281e37fac5b386d1e7ca420fcd739db89acbf69b3b5b682a29

MALICIOUS — c1c7fb85ad3b58281e37fac5b386d1e7ca420fcd739db89acbf69b3b5b682a29 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: c1c7fb85ad3b58281e37fac5b386d1e7ca420fcd739db89acbf69b3b5b682a29
• SHA-1: 34580d610bed49a515399b188eb518651140e093
• MD5: 2ab9c673d97cb94c84085ef5016808b0
• ssdeep: 768:h08MWlfOrQHmcglMveZ649ffCOh/b58dwb5aq:m7cglM549thD5Cwtaq
• TLSH: T1642F7DF351A7CC5C3A8A5F43AEB7215D79CADB4D70638A4181D83A2DA0788DFAF10520
• Submitted as: c1c7fb85ad3b58281e37fac5b386d1e7ca420fcd739db89acbf69b3b5b682a29
• File type: pdf · Size: 33850 bytes
• Verdict: malicious (94/100)

Detections (4 of 54 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!2AB9C673D97C

MITRE ATT&CK

• T1105

Why this verdict

The malicious score of 94/100 is the fusion of 9 weighted signals:

• Microsoft Defender flagged Trojan:PDF/Phish.CFN!MTB (rule Trojan:PDF/Phish.CFN!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.2 (rule PDF.Spam.Heur.2) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-TWM!2AB9C673D97C (rule PDF/Phish-TWM!2AB9C673D97C) - engine signal, weight 0.55, confidence 0.85
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://netcdn.tw/app/431946152/1x1x1x1-hacker-roblox-game-hack, http://digilib.stimlog.ac.id/repository/best-roblox-games-with-free-radio_GM431946152.pdf, http://digilib.stimlog.ac.id/repository/how-to-get-free-robux-on-roblox-by-playing-games_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
• Contacted 6 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)

1014 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 192.168.122.108
• 23.40.52.85
• 23.11.37.157
• 20.190.167.65
• 4.144.132.223 SG · Singapore · AS8075 Microsoft Corporation
• 150.171.22.17
• 23.198.40.44
• 52.110.12.44 AU · Sydney · AS8075 Microsoft Corporation
• 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
• 23.33.238.118
• 20.42.73.30 US · Baltimore · AS8075 Microsoft Corporation
• 150.171.28.11

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://netcdn.tw/app/431946152/1x1x1x1-hacker-roblox-game-hack
• http://digilib.stimlog.ac.id/repository/best-roblox-games-with-free-radio_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/how-to-get-free-robux-on-roblox-by-playing-games_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/hack-para-coin-master-singapore_GM406889139.pdf
• http://digilib.stimlog.ac.id/repository/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/cool-hacks-for-roblox_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/mad-city-roblox-hack-pain_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/how-to-hack-players-in-roblox_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/hack-para-roblox-2021-julio_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/coin-master-free-coins-amp_GM406889139.pdf
• https://digilib.stimlog.ac.id/repository/free-vip-server-roblox-mad-city_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/free-spins-coin-master-hack-2021_GM406889139.pdf
• https://digilib.stimlog.ac.id/repository/candy-van-roblox-hack_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/roblox-hack-unlimited-free-robux-tickets-no-survey-2021_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/free-hair-in-roblox-girl_GM431946152.pdf
• http://digilib.stimlog.ac.id/repository/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdf
• https://digilib.stimlog.ac.id/repository/free-clip-art-from-google-roblox-birthday-8yo-boy_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/robux-hack-install_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/free-pro-roblox-island-royale-acc-and-passwords_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/how-to-create-your-own-scripts-hacks-in-roblox_GM431946152.pdf
• https://digilib.stimlog.ac.id/repository/free-robux-codes-2021-without-human-verification_GM431946152.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• netcdn.tw
• digilib.stimlog.ac.id

Embedded IP addresses

• 216.218.185.162
• 4.144.132.223
• 52.110.12.44
• 4.230.171.124
• 20.42.73.30
• 20.42.179.192

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report