MALICIOUS — b3fb5015a3d029d8b10cb3194c2f24c15e50ceb07f0cbf7b44b55db40a391ed3
MALICIOUS — b3fb5015a3d029d8b10cb3194c2f24c15e50ceb07f0cbf7b44b55db40a391ed3 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b3fb5015a3d029d8b10cb3194c2f24c15e50ceb07f0cbf7b44b55db40a391ed3 - SHA-1:
dc4bcf26ad886b70f46963006a39da0f1989de19 - MD5:
333b70804e29507c5fb77f4394103410 - ssdeep:
1536:NX6jKVJOG0i05qC3aAHxFTdBB2ZFWOpOaZEWttVUq7/v2CFHCBp9:p6WVJOG0i05xHxFxjK+aZ3Sq7/v25V - TLSH:
T1A839D0F312A7DD4CB786DF075DEA11686099D6882262ED5041C8B63DD97CAFEBF00412 - Submitted as: b3fb5015a3d029d8b10cb3194c2f24c15e50ceb07f0cbf7b44b55db40a391ed3
- File type: pdf · Size: 86655 bytes
- Verdict: malicious (98/100)
Detections (4 of 54 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://cructi.ru/uplcv?utm_term=mcq+on+thermal+power+plant, http://cheliabinsk.realxenon.ru/uploads/files/51459646095.pdf, http://hatowo.com/app/webroot/uploads/files/widewajiwovo.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
- Contacted 6 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)
1013 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ntp.ubuntu.com
- _dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 20.190.167.150
- 150.171.22.17
- 23.33.238.135
- 23.198.40.44
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.207
- 23.33.238.103
- 192.168.122.108
- 72.145.35.100 IE · Dublin · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cructi.ru/uplcv?utm_term=mcq+on+thermal+power+plant
- http://cheliabinsk.realxenon.ru/uploads/files/51459646095.pdf
- http://hatowo.com/app/webroot/uploads/files/widewajiwovo.pdf
- http://ktcz.eu/files/files/71806148771.pdf
- http://temple.mo/userfiles/file/tetojipimoseti.pdf
- https://www.luxboss.com/ckfinder/userfiles/files/jigamarinivipogowiz.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161529578679e2---46614990562.pdf
- http://transgusto.ch/userfiles/file/48199576920.pdf
- https://pima-alarms.net/slicice/file/lotobad.pdf
- http://moskvaznaet.ru/upload/files/53193190146.pdf
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/84715882742.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134c3c4692c3---kamatitiremopakuxeda.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613719563ead3---pokezuludexazefasu.pdf
- http://yas-center.ru/userfiles/file/43173171891.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/6a411620e61232690eb987b669f82b4b/moxalaruk.pdf
- http://sungwoo-n.com/userfiles/file/66614212797.pdf
- http://www.szphotar.com/admin/img/files/wolekunoniw.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147a182e971c---6353590972.pdf
- http://elfast.ru/userfiles/file/fejekojanojugelela.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/731e67f17ec66fbdc2a7f5b8bdfe43d6/93263675771.pdf
- https://traffictkt.com/viking1/uploads/files/regoxebabizekorexenuko.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ab5f2aae3---sagime.pdf
- http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/tegozuvodur.pdf
- https://cakkue.com/contents/files/14484207456.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- cructi.ru
- cheliabinsk.realxenon.ru
- hatowo.com
- ktcz.eu
- www.luxboss.com
- www.mercato.co.za
- transgusto.ch
- pima-alarms.net
- moskvaznaet.ru
- kurskodkb.ru
- nuregio.de
- hellnocancershow.com
- yas-center.ru
- 123kozijnofferte.nl
- sungwoo-n.com
- www.szphotar.com
- www.ideaklinikkadikoy.com
- elfast.ru
- laxmigrouppune.com
- traffictkt.com
- indiebookoftheday.com
- www.teeintact.com
- cakkue.com
- www.w3.org
- purl.org
Embedded IP addresses
- 4.150.223.99
- 51.11.192.49
- 4.150.223.103
- 135.233.95.80
- 4.230.171.124
- 72.145.35.100
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report