MALICIOUS — b607492d5c646e55f92f07462db10bba15f7437fdc2878c415628fa080b8019a
MALICIOUS — b607492d5c646e55f92f07462db10bba15f7437fdc2878c415628fa080b8019a is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b607492d5c646e55f92f07462db10bba15f7437fdc2878c415628fa080b8019a - SHA-1:
969e0668910cb2596141a05ae049a10f6ed8a41a - MD5:
58b20c3f8b2e02ec044245b397f756c8 - ssdeep:
1536:RV+SHi7+TYr+bQGka/fjoNkCHQ0G1cU4VeKz4s4sfgZLF5an4oPJs:PCgjpj/fjefH10yz4sSfq4o2 - TLSH:
T1CB39C0F361E3DD0C369F6F036EA621AD608BD6852136DB541488B63CD9BC7AE7E50900 - Submitted as: b607492d5c646e55f92f07462db10bba15f7437fdc2878c415628fa080b8019a
- File type: pdf · Size: 86611 bytes
- Verdict: malicious (100/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!58B20C3F8B2E
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 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 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4387406/normal_5fe00b09167d7.pdf - network signal, weight 0.70, confidence 0.80
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged PDF/Phish-FAB!58B20C3F8B2E (rule
PDF/Phish-FAB!58B20C3F8B2E) - 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://botokaw.ru/strik?utm_term=how+many+red+cards+are+there+in+a+pack+of+52+cards, https://12a3aa02-022d-4218-8efb-90aa4388683d.filesusr.com/ugd/6dfd9b_f6493feb3e9e4ab79170a1d9eb3ef60a.pdf?index=true, https://8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com/ugd/1f96ce_5d496d6c81f242f38e9981f9cfd0f287.pdf?index=true - 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 10 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
- Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 3808) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1041 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- _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
- 23.40.52.85
- 23.11.37.157
- 20.190.167.150
- 150.171.22.17
- 23.198.40.44
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 57.155.104.224 SG · Singapore · AS8075 Microsoft Limited UK
- 52.230.60.54 SG · Singapore · AS8075 Microsoft Corporation
- 23.33.238.113
- 135.232.92.97 US · Boydton · AS8075 Microsoft Limited
- 23.33.238.100
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://botokaw.ru/strik?utm_term=how+many+red+cards+are+there+in+a+pack+of+52+cards
- https://12a3aa02-022d-4218-8efb-90aa4388683d.filesusr.com/ugd/6dfd9b_f6493feb3e9e4ab79170a1d9eb3ef60a.pdf?index=true
- https://8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com/ugd/1f96ce_5d496d6c81f242f38e9981f9cfd0f287.pdf?index=true
- https://static.s123-cdn-static.com/uploads/4387406/normal_5fe00b09167d7.pdf
- https://uploads.strikinglycdn.com/files/f8c62b75-60c4-4361-9679-343ff5c53267/fifty_shades_of_darker_grey.pdf
- https://cdn.sqhk.co/pakebisas/hfuzuhc/no_one_escapes_cidhna_mine_not_starting.pdf
- http://tubasip.epizy.com/arbaeen_nawawi_arabic.pdf
- https://cdn-cms.f-static.net/uploads/4458856/normal_5fd8b8e14512b.pdf
- https://35548484-ce42-4b18-9d9d-834326683263.filesusr.com/ugd/a221b6_274ad77d3143499bb07da752fb3782de.pdf?index=true
- https://cdn.sqhk.co/samidabaxik/jhhigge/restaurants_near_horizon_drive_grand_junction.pdf
- https://cdn-cms.f-static.net/uploads/4383449/normal_6054f04d99fb0.pdf
- https://cdn-cms.f-static.net/uploads/4420917/normal_603da5d985f75.pdf
- https://uploads.strikinglycdn.com/files/ca10523c-0a4d-4325-8528-89e461bed90a/tools_used_by_program_managers.pdf
- https://uploads.strikinglycdn.com/files/5347d4f1-a786-4744-94fa-2df856d1404a/90158026184.pdf
- http://gazezubutajon.rf.gd/wibadolojopalabapoza.pdf
- https://uploads.strikinglycdn.com/files/07029127-b6ab-408a-bb03-c51f0f54b314/49097166493.pdf
- http://dokubuxopid.rf.gd/bowofizunurovazifos.pdf
- https://a6668164-4238-4e0d-addb-cc4c62f58fca.filesusr.com/ugd/2dfcca_0885ecda5a584e748df75c2003a93e77.pdf?index=true
- http://suvofaga.rf.gd/malayala_manorama_calendar_september_2020.pdf
- http://fuvituze.epizy.com/19248911889.pdf
- https://acfcda0b-1795-4b40-aedc-9a0bc13047ce.filesusr.com/ugd/89c6ad_e9716ae4eb094c7589cbdaa7b4e348b8.pdf?index=true
- https://uploads.strikinglycdn.com/files/5b3a2fa5-75b5-4cf0-829f-1f1dce64c09d/josefoda.pdf
- https://cdn.sqhk.co/pamezuravuno/oEijYtQ/best_free_weather_radar_app_ios.pdf
- http://jarunotaso.rf.gd/material_requirement_planning_process.pdf
- https://cdn-cms.f-static.net/uploads/4454559/normal_6051eabaaf4cb.pdf
Embedded domains
- botokaw.ru
- 12a3aa02-022d-4218-8efb-90aa4388683d.filesusr.com
- 8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com
- static.s123-cdn-static.com
- uploads.strikinglycdn.com
- cdn.sqhk.co
- tubasip.epizy.com
- cdn-cms.f-static.net
- 35548484-ce42-4b18-9d9d-834326683263.filesusr.com
- a6668164-4238-4e0d-addb-cc4c62f58fca.filesusr.com
- fuvituze.epizy.com
- acfcda0b-1795-4b40-aedc-9a0bc13047ce.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
- gazezubutajon.rf.gd
- dokubuxopid.rf.gd
- suvofaga.rf.gd
- jarunotaso.rf.gd
- pinakebe.rf.gd
- wutagokavejeve.rf.gd
Embedded IP addresses
- 40.84.97.4
- 4.247.188.233
- 4.230.171.124
- 57.155.104.224
- 52.230.60.54
- 135.232.92.97
- 52.230.59.222
- 4.150.223.98
- 72.153.5.133
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report