MALICIOUS — coin-master-free-spins-link-2021-today_GM406889139.pdf

MALICIOUS — coin-master-free-spins-link-2021-today_GM406889139.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 23f2dee52b9d96685f422cf4f215be8259c7e7ee5787d9549b3d3337dfc1d0d0
SHA-1: ac673fe0dd4c96879574b21aa76a9bf5174edf89
MD5: 8e8b82c6d25bf7c66a62315600ad0bc3
ssdeep: 768:pBsAXokmDBgiKkZmqPSDtylakR/2//BnYja5eQ0uNBPzE4uB:fstDCqZPSkk+OTeQ0aE4uB
TLSH: T18C328FF31297CD1CB58ACF03EDAB2959A48EC284B176DE5058D8767CC0AC6ADBB10531
Submitted as: coin-master-free-spins-link-2021-today_GM406889139.pdf
File type: pdf · Size: 45755 bytes
Verdict: malicious (75/100)

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!8E8B82C6D25B
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 75/100 is the fusion of 7 weighted signals:

Contacted 16 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: http://www.js100.com/uploads/ckeditor/files/easy-ways-to-get-free-robux_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: https://netcdn.online/app/406889139/coin-master-free-spins-link-2021-today-game-hack, http://www.js100.com/uploads/ckeditor/files/easy-ways-to-get-free-robux_GM431946152.pdf, http://www.js100.com/uploads/ckeditor/files/free-robux-without-downloading-apps_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
Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9959 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
searchapp.bundleassets.example
to-do.office.com
staging.to-do.officeppe.com
teams.cloud.microsoft
outlook.office.com
outlook.office365.com
outlook.cloud.microsoft
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
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
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4917350c64bf0d36f51f4d776e00fc93.png - 21e237223b7d5137da783b2426b41a2a3bc8e8078c2f78901ad89ea98e761e43
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - a98c40c8494f6718e6d557eae1b60f5a78b875ed31581f174f9bf8f00501fcce
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://netcdn.online/app/406889139/coin-master-free-spins-link-2021-today-game-hack
http://www.js100.com/uploads/ckeditor/files/easy-ways-to-get-free-robux_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/free-robux-without-downloading-apps_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/pubg-uc-official-center_GM1330123889.pdf
http://www.js100.com/uploads/ckeditor/files/coin-master-free-cards_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdf
http://www.js100.com/uploads/ckeditor/files/free-roblox-shirt-templates_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/free-minecraft-codes-2021_GM479516143.pdf
http://www.js100.com/uploads/ckeditor/files/free-robux-for-kids_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/free-robux-no-survey_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/how-to-get-free-coins-on-coin-master_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/how-to-get-free-stuff-on-roblox_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/coin-master-spin-link-today_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/how-to-get-free-spins-on-coin-master-game_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/how-to-block-someone-on-coin-master_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/free-robux-hack-2021_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/coin-master-hack-app-2021_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/roblox-www-com_GM431946152.pdf
http://www.js100.com/uploads/ckeditor/files/coin-master-free-spins-link-no-verification-2021_GM406889139.pdf
http://www.js100.com/uploads/ckeditor/files/hack-minecraft_GM479516143.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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

netcdn.online
www.js100.com

Embedded IP addresses

172.172.255.217
4.150.223.115
20.184.175.2
184.84.165.136
52.110.12.50
4.230.171.124
172.215.188.232
85.210.196.11
74.179.77.204
57.155.101.212
52.123.252.212
74.178.76.44
52.123.129.14
203.26.79.13
52.148.114.188
40.99.133.226

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report