MALICIOUS — c72cc819082137f2a0ac1c30e4a76f2d859b957b0cca8a0a015530e75fc3a9f5

MALICIOUS — c72cc819082137f2a0ac1c30e4a76f2d859b957b0cca8a0a015530e75fc3a9f5 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: c72cc819082137f2a0ac1c30e4a76f2d859b957b0cca8a0a015530e75fc3a9f5
SHA-1: feee9aac55f9a0e65c0e00a999d89166f55f0271
MD5: 868676181758eb3d43b395915ec827dc
ssdeep: 1536:79eZ0e20Nt3U9tBInzbXSJi/fBTWJiKJVXL6LrZWxApOGmLL4UGg:YZ090NtkbKnyi/fBEicXc+3Gvg
TLSH: T1CA37CFF720D7ED9CB39B4F036DBA116CA489C7986672EE504488A23CD4BC6BC7E14941
Submitted as: c72cc819082137f2a0ac1c30e4a76f2d859b957b0cca8a0a015530e75fc3a9f5
File type: pdf · Size: 71501 bytes
Verdict: malicious (95/100)

Detections (4 of 53 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

T1105

Why this verdict

The malicious score of 95/100 is the fusion of 6 weighted signals:

ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://archism.ru/uplcv?utm_term=line+puzzle+mod+apk, https://almentispharma.com/ckfinder/userfiles/files/86379109547.pdf, http://bbfederico2.net/userfiles/file/xoluka.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)

9710 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
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
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
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/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=1787839596&P2=404&P3=2&P4=lwfzZYW3DoOXfj1JI6p70NwNToMEN5iKLo9KQANoxVHsLTW50jCvTWrHmWqIRFcOeINpli04JbK1GTm0vsY7OA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e6e6906faf96844e31bebda273bd354f.png - 5300326ae550b079baa1d8f4be71cbb8d3185bcb003295f25feef509e5daa167
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - cf7fc13d8a47300f4fd1b18eddf8782e75fefcd7ab6d4987c562f85aed823c59
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://archism.ru/uplcv?utm_term=line+puzzle+mod+apk
https://almentispharma.com/ckfinder/userfiles/files/86379109547.pdf
http://bbfederico2.net/userfiles/file/xoluka.pdf
http://ahknchem.com/upload/files/90122640828.pdf
https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c8f1bbf8c---7345541626.pdf
https://chanty.dacola.com/upload/files/fasabi.pdf
http://ort168.com/upload/ckeditor/files/xuralekabenasijog.pdf
http://cold.lt/userfiles/file/18299118189.pdf
https://kme.pl/global/app/webroot/uploads/file/16323379379223.pdf
http://web5gstore.com/Files/files/zimulesasowigibumegub.pdf
http://thankschicken.com/uploads/files/gamibapuzapasalofevupid.pdf
http://haraj-alqunfudhah.com/userfiles/file/93250061560.pdf
http://www.brickchamber.com/ckfinder/userfiles/files/74547650755.pdf
http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16139546cc675b---savazen.pdf
https://korovin.org/site/img_ufiles/36227352823.pdf
https://karapinler.com/calisma2/files/uploads/pajokuxunapomidusisag.pdf
https://nabil-doukali.com/userfiles/file/45014907552.pdf
http://dgelc.com/userfiles/file/20210925175638.pdf
http://docando.es/js/ckfinder/userfiles/files/lokikujepopetuza.pdf
https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/qjhii39fdv3upfdue6j527kaka/37297107647.pdf
http://lulanjina.net/upload/files/gaxusageb.pdf
http://driver-jazda.pl/upload/file/xilalubapememenegejame.pdf
https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614ec988178e9---22511740973.pdf
http://prinsart.ro/uploads/files/tamojirawaler.pdf
https://rgcsmt.org/ckfinder/userfiles/files/15849482376.pdf

Embedded domains

archism.ru
almentispharma.com
bbfederico2.net
ahknchem.com
viajespereira.com
chanty.dacola.com
ort168.com
kme.pl
web5gstore.com
thankschicken.com
haraj-alqunfudhah.com
www.brickchamber.com
compie.ru
korovin.org
karapinler.com
nabil-doukali.com
dgelc.com
docando.es
lulanjina.net
driver-jazda.pl
festivalecolo.ca
rgcsmt.org
srmtteaparty.com
inijariku.ugdherbal.com
www.w3.org

Embedded IP addresses

52.168.117.175
20.165.94.46
135.233.95.80
92.223.78.30
52.123.252.198
52.110.12.28
20.42.179.192
4.230.171.124
74.178.240.61
135.233.95.135
52.123.128.14
135.234.160.244
74.178.76.44
203.26.79.13
4.150.223.111
52.182.143.212
52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report