MALICIOUS — f4fc4138138a3bf44b89095c1b5de04dcb2c823b84b8b2adeb4f2c936f5aa761
MALICIOUS — f4fc4138138a3bf44b89095c1b5de04dcb2c823b84b8b2adeb4f2c936f5aa761 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:
f4fc4138138a3bf44b89095c1b5de04dcb2c823b84b8b2adeb4f2c936f5aa761 - SHA-1:
eeded2e9c73c2eff2dd2adece64057e272c313dc - MD5:
0e5e618f5c54dc33ba0928cf0ab17419 - ssdeep:
1536:tIS44fpSDsu+DKYE8YxTXufaeWVZwvSk3bS2ix5iWB+u8b3qd1ZLKbsXgZwWXpO0:ut4foouji6XuOVZwvSkFiLLy6d/0sXg5 - TLSH:
T10E38BFF761ABDD8CB7968F0365E7029CA485D2886272EF91008C767C94BC5BDAF10A41 - Submitted as: f4fc4138138a3bf44b89095c1b5de04dcb2c823b84b8b2adeb4f2c936f5aa761
- File type: pdf · Size: 82331 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
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 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://catamma.ru/uplcv?utm_term=what+is+a+composite+number+and+a+prime+number, https://floridainvestment.cz/files/file/jukuzuzeke.pdf, https://martan.es/cenavarra_userfiles/files/86258655794.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)
9638 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
- 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=1787826961&P2=404&P3=2&P4=W3CPxSwdthPzvcLU%2ftOIV%2bl9TqbD%2bYLZWgK%2fmdk2c%2bcJJZt70KYkGTFjGdMdQBADwMS1pEB3PKzzGEmDFpwDOA%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=1787827004&P2=404&P3=2&P4=F16qURtKLQ9TqZChT5PCeGL14jA4UPL29l0wC01turEjmPl%2bk4ljYBjRa0Qh7E9OtjwG3Pl7mVc5aDk3lS4yAA%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 -
a5dbc33cb7c0b6b0dbd37ef6545c62af8287a65a1726b1693cb31b6f49ee93af - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\411544b422f24187424724743f206b46.png -
02ca263c5212f070a873bdd64673f5be86ffb47aa0087d9e3ef495a38e40e848 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://catamma.ru/uplcv?utm_term=what+is+a+composite+number+and+a+prime+number
- https://floridainvestment.cz/files/file/jukuzuzeke.pdf
- https://martan.es/cenavarra_userfiles/files/86258655794.pdf
- https://rt-totaalafbouw.nl/userfiles/file/37776339728.pdf
- https://padservhosting.com/userfiles/file/daxapogogefesitedukoz.pdf
- http://sumbulefendiegitimvakfi.com/resimler/files/1006838335.pdf
- https://bititechnika.com/uploads/file/zijutabef.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd37dd7844---80532734011.pdf
- https://isosklo.cz/uploads/13541473921.pdf
- http://aeusjtu.pretty-match.com/upload/files/fovebepakadabatojekojonun.pdf
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/gerutusura.pdf
- http://leprofit.ee/cmsfile/contentfiles/rodati.pdf
- http://tdybio.com/uploadfile/file///2021092806100954.pdf
- http://progetec.org/userfiles/files/77144020213.pdf
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42975977318.pdf
- http://pbpharm.com/upload/files/29575943431.pdf
- https://812423.situshoki1.com/contents/files/biwizoxerezasomijomi.pdf
- https://seeyounow.net/userfiles/file/pixugepawozerisel.pdf
- http://hangquangauto.com/files/dilikaxisuzitoxal.pdf
- http://rosesrealtyhomes.com/userfiles/files/pegoxufatatimabedu.pdf
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/d67ff23e1ad3b5a4bcb5dc9ce2cd2c90/nubifipiputixewegaxas.pdf
- https://www.puskinas.lt/ckfinder/userfiles/files/bekuritudimafuvir.pdf
- http://idolyokocho.com/js/ckfinder/userfiles/files/gedijiwubupilitadomekuwa.pdf
- https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/69820821478.pdf
- http://cwpni.com/userData/ebizro_board/file/tixomi.pdf
Embedded domains
- catamma.ru
- martan.es
- rt-totaalafbouw.nl
- padservhosting.com
- sumbulefendiegitimvakfi.com
- bititechnika.com
- elenasteele.com
- aeusjtu.pretty-match.com
- www.tlo.ntou.edu.tw
- tdybio.com
- progetec.org
- culbertsonlawyer.com
- pbpharm.com
- 812423.situshoki1.com
- seeyounow.net
- hangquangauto.com
- rosesrealtyhomes.com
- slavica.ru
- idolyokocho.com
- carcarnet.com
- hkdance.tritek.hk
- cwpni.com
- dotbamboo.com
- csc020.com
- www.w3.org
Embedded IP addresses
- 135.233.95.80
- 20.42.65.94
- 85.210.193.152
- 52.230.60.54
- 52.123.252.230
- 52.110.12.21
- 4.230.171.124
- 4.150.223.105
- 20.231.239.246
- 74.178.240.61
- 52.123.129.14
- 172.178.240.162
- 74.178.76.128
- 203.26.79.13
- 52.123.252.238
- 4.150.223.106
- 20.42.73.31
- 20.184.175.3
- 104.46.162.224
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report