MALICIOUS — 8f66855f8295ffc18033a9985c7df31a4c8c9d85bb11431c6597455900b49c6c
MALICIOUS — 8f66855f8295ffc18033a9985c7df31a4c8c9d85bb11431c6597455900b49c6c is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
8f66855f8295ffc18033a9985c7df31a4c8c9d85bb11431c6597455900b49c6c - SHA-1:
a93fabcc38c1bf9027355bf139add0427a2aed1e - MD5:
df2de0155f7f26147c39fd257c912a6f - ssdeep:
1536:dzGJCA40tEGc8W1x+mJ8rTKS0U/0KjT7TJIIo03CXthSYXCQbCCc7Px/DNpxSi3j:yCA40tismJ8rOSB5TyD0CthSyLcN/DNp - TLSH:
T1613AE1F342A7DE4CAACBAB477AA22BAC90C5D3486633A6514094735DC078AFCBF10551 - Submitted as: 8f66855f8295ffc18033a9985c7df31a4c8c9d85bb11431c6597455900b49c6c
- File type: pdf · Size: 97073 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 9 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 - Contacted 8 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://vilenefex.ru/123?utm_term=projeto+capta%25C3%25A7%25C3%25A3o+de+recursos+pdf, http://betizekaxu.getenjoyment.net/pride_go_go_elite_scooter_price.pdf, https://cdn.sqhk.co/gudopokobipa/jwjejhE/best_color_changing_rope_lights_for_bedroom.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1245 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ntp.ubuntu.com
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://vilenefex.ru/123?utm_term=projeto+capta%25C3%25A7%25C3%25A3o+de+recursos+pdf
- http://betizekaxu.getenjoyment.net/pride_go_go_elite_scooter_price.pdf
- https://cdn.sqhk.co/gudopokobipa/jwjejhE/best_color_changing_rope_lights_for_bedroom.pdf
- https://cdn.sqhk.co/koxajavu/hh1bFif/parkour_seeds_for_minecraft_pe.pdf
- https://s3.amazonaws.com/foneniz/27822604502.pdf
- https://s3.amazonaws.com/mozirolinitaje/utagoe_acapella_making_software.pdf
- https://s3.amazonaws.com/gofilafixu/indian_promissory_note.pdf
- http://xonekalanalu.epizy.com/sql_server_development_tools_2012.pdf
- https://s3.amazonaws.com/geraromu/dojojuvulogusoxefu.pdf
- https://s3.amazonaws.com/jifedefujodu/timesheet_calculator_with_lunch_breaks.pdf
- https://s3.amazonaws.com/jefobexapulow/liver_cirrhosis_treatment.pdf
- https://s3.amazonaws.com/rimejiguvif/constitutional_convention_conflicts_and_compromises_worksheet_answers.pdf
- http://vedagavizevuwu.rf.gd/39060146464.pdf
- https://s3.amazonaws.com/tidigudetefumof/46387415091.pdf
- https://s3.amazonaws.com/watajive/rajutivixuzonep.pdf
- http://gujuwaxewogo.epizy.com/assassination_rogue_7._1._5_pve_guide.pdf
- http://filoroxesofe.rf.gd/86722065534.pdf
- https://cdn.sqhk.co/fegibowaxus/gj6ibhf/parler_app_for_android.pdf
- https://s3.amazonaws.com/jejulurowev/sanyo_tv_codes_for_rca_universal_remote.pdf
- https://s3.amazonaws.com/zozuxukoxo/affirmative_form_of_verb.pdf
- https://cdn.sqhk.co/rekubapapup/byJhfK7/gadakipuzukowezuvano.pdf
- https://s3.amazonaws.com/tufitijinexu/79218240686.pdf
- http://mamimufexaliro.66ghz.com/700472486.pdf
- http://fisareboveda.getenjoyment.net/zapuxozesagorawipi.pdf
- http://pozezan.mygamesonline.org/alan_watts_this_is_it.pdf
Embedded domains
- vilenefex.ru
- betizekaxu.getenjoyment.net
- cdn.sqhk.co
- s3.amazonaws.com
- xonekalanalu.epizy.com
- gujuwaxewogo.epizy.com
- mamimufexaliro.66ghz.com
- fisareboveda.getenjoyment.net
- pozezan.mygamesonline.org
- www.w3.org
- purl.org
- ns.adobe.com
- vedagavizevuwu.rf.gd
- filoroxesofe.rf.gd
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 52.110.12.45
- 4.230.171.124
- 172.215.188.232
- 74.178.240.61
- 4.150.223.100
- 20.247.184.142
- 51.105.71.136
- 72.145.35.107
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report