SUSPICIOUS — free-robux-not-a-scam-no-human-verification_GM431946152.pdf

SUSPICIOUS — free-robux-not-a-scam-no-human-verification_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 4 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 82c215ce1fb0f9c73526237406d87fbd05f7136f91b609bbe26c5a36ebca2d43
SHA-1: ad504647a65209f7ff3be047129896ccbbd49bb2
MD5: 56c0ea92f95da02404f4e8716f0548c8
ssdeep: 768:5gar1NnusMBors7G/N7MpyQJnO1d0y/lmqBf4w+2ckOMU:DEBoDJpQBmaglmqBr+28MU
TLSH: T1AC306CF34197CC4C798ADB03597A21ADA589D3C87477CA00A1DC736C847E9BE7B609A0
Submitted as: free-robux-not-a-scam-no-human-verification_GM431946152.pdf
File type: pdf · Size: 36749 bytes
Verdict: suspicious (66/100)

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!56C0EA92F95D

MITRE ATT&CK

Why this verdict

The suspicious score of 66/100 is the fusion of 7 weighted signals:

Embedded link rated suspicious by URL analysis: http://perpustakaan.pn-tapaktuan.go.id/repository/como-hackear-coin-master-en-espaol_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: http://netcdn.co/app/431946152/free-robux-not-a-scam-no-human-verification-game-hack, http://perpustakaan.pn-tapaktuan.go.id/repository/como-hackear-coin-master-en-espaol_GM406889139.pdf, http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.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
Contacted 14 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9638 behavior events · 1 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
c.pki.goog
staging.to-do.officeppe.com
teams.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
252.0.0.224.in-addr.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
250.255.255.239.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://c.pki.goog/r/r4.crl
23.40.52.85

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - aea706d898dde2ca1f4a44a74ca207f3cb9bb27061b42367aeb23b65035d52b2
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f3d010c041d2e7f9a61b5597988047a9.png - bc80861d89a9bf58f41b9f66abb0da8eb682579a45428ad0cb3e8cc3eba3f1c9
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

http://netcdn.co/app/431946152/free-robux-not-a-scam-no-human-verification-game-hack
http://perpustakaan.pn-tapaktuan.go.id/repository/como-hackear-coin-master-en-espaol_GM406889139.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/free-ice-valk-roblox_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-admin-commands-on-roblox-by-hacking_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/hack-apk-of-roblox_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/games-to-get-free-robux_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-hack-facebook_GM406889139.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/25-free-spins-coin-master_GM406889139.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/coin-master-free-100-spin-link_GM406889139.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/free-minecraft-server-maker_GM479516143.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-2021_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/free-roblox-money-2021_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/robux-hack-no-verification_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/roblox-xray-hack_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/free-robux-2021-no-human-verification_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-hack-roblox-with-brutis_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/free-roblox-accounts-with-robux-2021_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/paginas-para-descargar-hacks-de-roblox_GM431946152.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/free-minecraft-alts_GM479516143.pdf
http://perpustakaan.pn-tapaktuan.go.id/repository/how-to-get-free-robux-for-real_GM431946152.pdf
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://c.pki.goog/r/r4.crl

Embedded domains

netcdn.co
perpustakaan.pn-tapaktuan.go.id

Embedded IP addresses

4.150.223.112
74.179.77.204
172.172.255.217
20.247.184.142
20.42.179.192
20.165.94.63
4.230.171.124
57.154.63.210
52.110.12.32
52.168.112.66
142.250.195.99
20.165.94.46
52.148.114.188
172.217.25.195

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report