SUSPICIOUS — 43ad809d9ca1c833b99c4a76eaea7624f5ca433c1226264fadb84c25405c79bb
SUSPICIOUS — 43ad809d9ca1c833b99c4a76eaea7624f5ca433c1226264fadb84c25405c79bb is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
43ad809d9ca1c833b99c4a76eaea7624f5ca433c1226264fadb84c25405c79bb - SHA-1:
4fe7e3cd2b28a28f88c9c84cf6e00d9dc12a326c - MD5:
5d13b9dacc25eaef40fd6a0960406453 - ssdeep:
768:fXkABso8b6BdfpewWoWQWI7Ec0VGIPVzNJ/MNgr:MAIbSlRbWQW8+VGItzNJ/MNgr - TLSH:
T1C12F5AF3114BEC4C398B9F03B8B6551EA5C9D2897022DF9096C8762DC06D6EE6B11932 - Submitted as: 43ad809d9ca1c833b99c4a76eaea7624f5ca433c1226264fadb84c25405c79bb
- File type: pdf · Size: 34939 bytes
- Verdict: suspicious (64/100)
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!5D13B9DACC25
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: http://netcdn.co/app/431946152/robuxian-hack-roblox-game-hack, http://cintabaca.org/katalog/repository/free-roblox-andoid-robux-hac_GM431946152.pdf, http://cintabaca.org/katalog/repository/free-roblox-studio-library_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)
9720 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- _dosvc._tcp.local
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787801770&P2=404&P3=2&P4=K%2frBaYENu4NpVnegDhJYmc%2b1KPEomW185FEgX48U3RMOcXxOsHlquC5PpVnLwP6So6Lyj9P5ildbUOTycSPM8g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787801806&P2=404&P3=2&P4=G5iA8hXpUjLGA8%2beGW8nzAcsz9S34lLHKUolF1wshChvDHy0Hu2yoOtzzmV691TKQPaUxoTWycQSrhHQkzy7rA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
116faab31d1d74ec7e5d9e2bf1df337afd66c644ece322738fc63d4333b927d5 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d2223819f1dcbc440ea695d3b79d6a48.png -
ac153d2667e4859cddb5587f0b3d20ee0bed47412e84023eadace419ad841e10 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.co/app/431946152/robuxian-hack-roblox-game-hack
- http://cintabaca.org/katalog/repository/free-roblox-andoid-robux-hac_GM431946152.pdf
- http://cintabaca.org/katalog/repository/free-roblox-studio-library_GM431946152.pdf
- http://cintabaca.org/katalog/repository/free-roblox-clothes-no-gltich_GM431946152.pdf
- http://cintabaca.org/katalog/repository/coin-master-card-collection-link_GM406889139.pdf
- http://cintabaca.org/katalog/repository/coin-master-game-hacking-tricks_GM406889139.pdf
- http://cintabaca.org/katalog/repository/como-pegar-una-imagen-a-free-draw-2-roblox_GM431946152.pdf
- http://cintabaca.org/katalog//repository/tiktok-free-apk-download_GM835599320.pdf
- http://cintabaca.org/katalog/repository/name-that-character-cheats-roblox_GM431946152.pdf
- http://cintabaca.org/katalog/repository/coin-master-how-to-get-free-pet-food_GM406889139.pdf
- http://cintabaca.org/katalog//repository/free-op-minecraft-servers_GM479516143.pdf
- http://cintabaca.org/katalog/repository/hack-a-backdoor-into-a-roblox-game_GM431946152.pdf
- http://cintabaca.org/katalog//repository/how-to-make-a-group-on-roblox-for-free_GM431946152.pdf
- http://cintabaca.org/katalog/repository/roblox-hacker-beta-download_GM431946152.pdf
- http://cintabaca.org/katalog/repository/tiktok-free-followers-2021_GM835599320.pdf
- http://cintabaca.org/katalog/repository/coin-master-hack-download-android_GM406889139.pdf
- http://cintabaca.org/katalog/repository/roblox-cheat-apk_GM431946152.pdf
- http://cintabaca.org/katalog/repository/coin-master-free-gold-cards-link-2021_GM406889139.pdf
- http://cintabaca.org/katalog/repository/serveur-roblox-avec-admin-free_GM431946152.pdf
- http://cintabaca.org/katalog/repository/free-roblox-jailbreak-vip-server-link_GM431946152.pdf
- http://cintabaca.org/katalog/repository/websites-that-give-you-free-robux_GM431946152.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.co
- cintabaca.org
Embedded IP addresses
- 162.159.142.9
- 52.123.252.233
- 40.84.85.40
- 52.110.12.2
- 4.230.171.124
- 52.253.84.76
- 74.178.240.51
- 20.165.94.63
- 172.66.2.5
- 52.123.129.14
- 135.234.160.245
- 74.178.76.128
- 135.232.92.34
- 203.26.79.13
- 4.150.223.104
- 48.200.63.27
- 52.182.141.63
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report