MALICIOUS — 622765ee9628d3af0db84be13db10b90675cfe66782d9b507fab5df855c7b644

MALICIOUS — 622765ee9628d3af0db84be13db10b90675cfe66782d9b507fab5df855c7b644 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 622765ee9628d3af0db84be13db10b90675cfe66782d9b507fab5df855c7b644
• SHA-1: 38f8b88060a627bce73fc1f24e49bfaf29be0b7d
• MD5: e23cbee76a98b1e349c7c1da1f386f88
• ssdeep: 768:8clxAEe4bsNpJIzq4ohmatgXd9XOGPu8g8vqT2W64cWGJ6HhJ:Pj4J3zr0bXOn8IV6cBJ
• TLSH: T14D329EF3025BCD8CBA869B53A576111D74C9E3C8B4329A40D0EC76ADC07DEADBE50162
• Submitted as: 622765ee9628d3af0db84be13db10b90675cfe66782d9b507fab5df855c7b644
• File type: pdf · Size: 44699 bytes
• Verdict: malicious (98/100)

Detections (5 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!E23CBEE76A98
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 98/100 is the fusion of 11 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!E23CBEE76A98 (rule PDF/Phish-TWM!E23CBEE76A98) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
• Contacted 11 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded link rated suspicious by URL analysis: http://perpustakaan.pn-tapaktuan.go.id/repository/robux-free-co_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.online/app/431946152/free-roblox-followers-generator-game-hack, http://perpustakaan.pn-tapaktuan.go.id/repository/robux-free-co_GM431946152.pdf, http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-app_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
• Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

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

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep(1)._dosvc._tcp.local
• desktop-hsgcbep(2)._dosvc._tcp.local
• desktop-hsgcbep(3)._dosvc._tcp.local
• 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
• 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
• 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
• 252.0.0.224.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://netcdn.online/app/431946152/free-roblox-followers-generator-game-hack
• http://perpustakaan.pn-tapaktuan.go.id/repository/robux-free-co_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-app_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-gen_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-generator-without-verification_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-website_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/robux-in_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-sites-that-work_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-for-kids_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-studio-free-robux_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/minecraft-for-free-apk_GM479516143.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-with-no-verification_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/get-free-spins-from-coin-master_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/what-do-points-do-in-roblox_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-hack-roblox-jailbreak_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-free-spins-for-today_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-online-hack-2021_GM406889139.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-generator-without-human-verification_GM431946152.pdf
• http://perpustakaan.pn-tapaktuan.go.id/repository/easy-coin-master-hack-without-verification_GM406889139.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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

• netcdn.online
• perpustakaan.pn-tapaktuan.go.id
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 72.145.35.100
• 52.110.12.47
• 52.110.12.10
• 72.153.5.132
• 4.230.171.124
• 203.26.79.13
• 74.178.76.54
• 74.178.240.61
• 51.132.193.104
• 4.247.188.233
• 4.150.223.104

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report