SUSPICIOUS — f6af72a6bc410eb8148968638cf9a5917b08be425e4814d5ad4d21467844b73f
SUSPICIOUS — f6af72a6bc410eb8148968638cf9a5917b08be425e4814d5ad4d21467844b73f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f6af72a6bc410eb8148968638cf9a5917b08be425e4814d5ad4d21467844b73f - SHA-1:
8fe522958954d179979e39e02bcfedf027d3bba7 - MD5:
48a718676c888941474c23d9d10cbdb5 - ssdeep:
768:Zo6oL1733L4syDEJS3ObzBR7ZMnJr5BHHTGuKSwDxv:O71733L03aX7k9BnTPwDxv - TLSH:
T141308EF741ABCD1C79479B072A7625AD70C6D3C8B062DB5692C4333D806D6BDBB10922 - Submitted as: f6af72a6bc410eb8148968638cf9a5917b08be425e4814d5ad4d21467844b73f
- File type: pdf · Size: 37116 bytes
- Verdict: suspicious (64/100)
Detections (4 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!48A718676C88
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: http://netcdn.co/app/431946152/how-to-hack-roblox-accounts-with-brute-force-game-hack, http://perpus.unbi.ac.id/slims7_cendana/repository/coin-master-free-spins-may-11-2021_GM406889139.pdf, http://perpus.unbi.ac.id/slims7_cendana/repository/roblox-online-free_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)
9679 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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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=1787844685&P2=404&P3=2&P4=dHjlBKwiL7LmZwEDrZl2KIFo%2f08G2F128IPE%2bVK8qibnXa79U3wsKmo98spaUnxTouNd9GonD6%2f3vkM4Cqy3Og%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=1787844710&P2=404&P3=2&P4=HMUKaSLasl39T7wRfpzaRWqfwVMiOZ6whmmlxFDf02%2b%2fV3Pd%2fOpjnQTPn7y86qHAJ4gf5VnuBHNbaCdIzsEyLw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2f683ee1d20fc0f89ec43ec70d2af925dad137fc7d46dfddd4a622f2c89dde50 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d1d93390afa95384a4ca08ebc12d5491.png -
3c3d022aa9d1ec2bd72eff5320a33e4ae152440258ca47c91b3c90b3348e9dad - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://netcdn.co/app/431946152/how-to-hack-roblox-accounts-with-brute-force-game-hack
- http://perpus.unbi.ac.id/slims7_cendana/repository/coin-master-free-spins-may-11-2021_GM406889139.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/roblox-online-free_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/links-to-get-free-spins-on-coin-master_GM406889139.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/como-hackearle-la-cuenta-a-alguien-en-roblox_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/free-working-2021-roblox-aim-aimbot_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/free-custom-minecraft-skins_GM479516143.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/how-to-get-roebucks-on-roblox_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/how-to-get-coin-master-free-spin-link_GM406889139.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/coin-master-pc-hack-tool_GM406889139.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/coin-and-spin_GM406889139.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/buy-for-free-roblox-builders-club_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/robloxmatchcom-free-robux_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/how-to-get-free-robux-on-windows-10-2021_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/free-robux-without-verification-2021_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana//repository/how-to-get-free-roebucks-on-roblox_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/cheats-to-steal-a-keycard-in-roblox-rocketfule-jailbreak_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/easypoints-gg-roblox_GM431946152.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/coin-master-hack-spin-generator_GM406889139.pdf
- http://perpus.unbi.ac.id/slims7_cendana/repository/pubg-uc-whatsapp-group_GM1330123889.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
- perpus.unbi.ac.id
Embedded IP addresses
- 4.247.188.233
- 57.155.104.224
- 4.150.223.113
- 20.42.65.84
- 51.116.253.169
- 52.110.12.40
- 4.230.171.124
- 4.144.132.114
- 20.165.94.63
- 135.233.95.135
- 20.236.44.162
- 52.123.128.14
- 20.42.73.26
- 72.145.35.103
- 203.26.79.13
- 52.168.117.175
- 92.223.78.30
- 4.150.223.104
- 52.168.117.174
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report