MALICIOUS — 528b2e1474c63eee7f0b493a6bf4b6c29450925cb234508efa7dedc431e0f18f
MALICIOUS — 528b2e1474c63eee7f0b493a6bf4b6c29450925cb234508efa7dedc431e0f18f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
528b2e1474c63eee7f0b493a6bf4b6c29450925cb234508efa7dedc431e0f18f - SHA-1:
4810db4d599f83bb941125f70119ac472d3e1d88 - MD5:
5e45e76182026133fd92a6706699c998 - ssdeep:
1536:TK1SR0iUGH5qwZ2OP6vIoCtco/1Jm+H927VOQ7CWHpOv2e1bVlAWDU3H8Y6RZT:KSKf85bZ9PtySTmfCv2wLs8Y6T - TLSH:
T1A938D0F36097CE5C768A8F8B65FA2158E04AD78861A2DF5011C8BE2CC5BC57EBE10D41 - Submitted as: 528b2e1474c63eee7f0b493a6bf4b6c29450925cb234508efa7dedc431e0f18f
- File type: pdf · Size: 83573 bytes
- Verdict: malicious (99/100)
Detections (4 of 54 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 99/100 is the fusion of 10 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 - 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 link rated suspicious by URL analysis: http://gysanya.com/upload/file/210923075554044229ug8gs99ljfb9.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://krisoc.ru/uplcv?utm_term=business+proposition+meaning, http://ontozescentrum.hu/tmp/sipug.pdf, http://alphanaturehk.com/userfiles/file/58127760034.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 7 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1028 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
- 23.40.52.85
- 23.11.37.157
- 20.190.167.64
- 52.110.12.20 AU · Sydney · AS8075 Microsoft Corporation
- 23.198.40.44
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 4.144.132.223 SG · Singapore · AS8075 Microsoft Corporation
- 23.33.238.112
- 192.168.122.116
- 150.171.27.11
- 72.145.35.102 IE · Dublin · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://krisoc.ru/uplcv?utm_term=business+proposition+meaning
- http://ontozescentrum.hu/tmp/sipug.pdf
- http://alphanaturehk.com/userfiles/file/58127760034.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144e3a00a6e8---46227377845.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/fec1b2365da3db72e1f2fd63792798d1/6784232053.pdf
- http://gysanya.com/upload/file/210923075554044229ug8gs99ljfb9.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140cdf7014fe---85809134474.pdf
- http://englandmatchshirts.com/assets/file/selubedukimujuvupaped.pdf
- https://thefencedocumentary.com/adminfiles/file/dibibezavabo.pdf
- http://bjerkelunden.org/content/files/userfiles/file///97480210658.pdf
- http://easyliveconstruction.com/ci/userfiles/files/dapajuduxebotoguravoropaf.pdf
- http://lsphc.com/userfiles/file///jolukifiwajuwefekiwupeju.pdf
- https://speak82.com/_UploadFile/Images/file/39925446966.pdf
- http://latiendasegura.com/contable_prueba/userfiles/file/dugimudifut.pdf
- http://rurisnet.org/images/file/sugavebifisinij.pdf
- http://pure-chiral.com/upload/files/4443808541.pdf
- http://www.heksan.com.pl/file/80791824815.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161489334934a8---17043272232.pdf
- https://shevian.com/images/file/sijerevoje.pdf
- http://songpinhao.com/userfiles/files/3593658848.pdf
- http://ros-grad.ru/fck_editor_files/files/lutip.pdf
- http://studiotecnicomartani.eu/userfiles/files/41517856098.pdf
- http://abwingssuffolk1.com/uploads/files/76741092911.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- krisoc.ru
- alphanaturehk.com
- www.iqubz.com
- spencershaulageltd.co.uk
- gysanya.com
- sh8ke.com
- englandmatchshirts.com
- thefencedocumentary.com
- bjerkelunden.org
- easyliveconstruction.com
- lsphc.com
- speak82.com
- latiendasegura.com
- rurisnet.org
- pure-chiral.com
- www.heksan.com.pl
- hightechrustremovers.nl
- shevian.com
- songpinhao.com
- ros-grad.ru
- studiotecnicomartani.eu
- abwingssuffolk1.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.50.201.195
- 172.172.255.217
- 52.110.12.20
- 4.230.171.124
- 4.144.132.223
- 72.145.35.102
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report