SUSPICIOUS — 5b3935c41aaf761aafea16e70541a9eb0a35aa6b61d9df15aaf7c8241ff21400
SUSPICIOUS — 5b3935c41aaf761aafea16e70541a9eb0a35aa6b61d9df15aaf7c8241ff21400 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:
5b3935c41aaf761aafea16e70541a9eb0a35aa6b61d9df15aaf7c8241ff21400 - SHA-1:
cc5a857db4aa7ea6a4d04203a4d20f7bc9dc737b - MD5:
f664c8dbc5efa6452ef718f5f593572c - ssdeep:
768:KTZvVhiPXLXG1bzxvLwSjk8JDGnHUilSgihrR5Sq/XkVkZ+D9hbu+l:KtvHcL0UWk8JanHU0SPhd5r/iP1l - TLSH:
T176319EF75187CC0C7B8A8F039D6B54AD55D9A3C83132DA5494D83A6D80BC2EEBB10632 - Submitted as: 5b3935c41aaf761aafea16e70541a9eb0a35aa6b61d9df15aaf7c8241ff21400
- File type: pdf · Size: 42885 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!F664C8DBC5EF
- 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 13 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://netcdn.xyz/app/479516143/wurst-client-1.8-9-game-hack, http://pisanie-nut.pl/images/coin-master-free-spin-and-coin_GM406889139.pdf, http://pisanie-nut.pl/images/free-roblox-accounts-that-work_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)
9659 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
- 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
- ntp.ubuntu.com
- 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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
99a438715239d85fd395860bde6b7b88bd300b5763b5da54eab5125f4860e568 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5cf31d5ac1d36e78450de5ab573be3f8.png -
b941b0217c61a0b6c46a78beb083eb578adffe4a232c86d8b3c8ca353c4e20cd - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.xyz/app/479516143/wurst-client-1.8-9-game-hack
- http://pisanie-nut.pl/images/coin-master-free-spin-and-coin_GM406889139.pdf
- http://pisanie-nut.pl/images/free-roblox-accounts-that-work_GM431946152.pdf
- http://pisanie-nut.pl/images/free-minecraft-maps_GM479516143.pdf
- http://pisanie-nut.pl/images/roblox-free-skin_GM431946152.pdf
- http://pisanie-nut.pl/images/i-want-free-robux_GM431946152.pdf
- http://pisanie-nut.pl/images/coin-master-hack-2021_GM406889139.pdf
- http://pisanie-nut.pl/images/claim-free-spins-coin-master_GM406889139.pdf
- http://pisanie-nut.pl/images/coin-master-free-spins-2021-link_GM406889139.pdf
- http://pisanie-nut.pl/images/free-robux-discord_GM431946152.pdf
- http://pisanie-nut.pl/images/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdf
- http://pisanie-nut.pl/images/free-robux-games-that-actually-work-2021_GM431946152.pdf
- http://pisanie-nut.pl/images/25-free-spins-coin-master_GM406889139.pdf
- http://pisanie-nut.pl/images/free-robux-app_GM431946152.pdf
- http://pisanie-nut.pl/images/how-do-i-get-free-robux_GM431946152.pdf
- http://pisanie-nut.pl/images/coin-master-link-spin_GM406889139.pdf
- http://pisanie-nut.pl/images/coin-master-free-spins-hack-link_GM406889139.pdf
- http://pisanie-nut.pl/images/coin-master-free-spins-link-download-apk_GM406889139.pdf
- http://pisanie-nut.pl/images/coin-master-daily-free-spins-today_GM406889139.pdf
- http://pisanie-nut.pl/images/cm-free-spin-link-today_GM406889139.pdf
- http://pisanie-nut.pl/images/minecraft-free-download-no-virus_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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- netcdn.xyz
- pisanie-nut.pl
Embedded IP addresses
- 20.247.184.197
- 52.110.12.55
- 4.230.171.124
- 135.233.95.144
- 51.116.253.169
- 52.123.129.14
- 40.99.134.2
- 135.233.45.223
- 135.232.92.34
- 203.26.79.13
- 52.168.117.174
- 20.42.65.91
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report