MALICIOUS — b5b21bc2a4b29db90d589c1f3880e2cc8d85723eadbf1b2f1bc150a7a45ee812
MALICIOUS — b5b21bc2a4b29db90d589c1f3880e2cc8d85723eadbf1b2f1bc150a7a45ee812 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:
b5b21bc2a4b29db90d589c1f3880e2cc8d85723eadbf1b2f1bc150a7a45ee812 - SHA-1:
5129507e55de1f717812f06a30717fb77e4283ee - MD5:
4950928390ad7c87768ffe3979095aa6 - ssdeep:
1536:p5mv7g4msvD+x12TJkG9fWQXwRcAmNOX8zXu3QAe+1wUHuTt:Lmzmsvc2TSQXwRcA67ze3QP+WUw - TLSH:
T18938C0E360A7EC9C79864B03EE76256D24CED28CE022975044CDB73CC97D2AE2E50655 - Submitted as: b5b21bc2a4b29db90d589c1f3880e2cc8d85723eadbf1b2f1bc150a7a45ee812
- File type: pdf · Size: 81535 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!4950928390AD
- 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/4501963/normal_60018012c2e2f.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!4950928390AD (rule
PDF/Phish-FAB!4950928390AD) - 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://nipisod.ru/strik?utm_term=can+diabetics+have+complex+carbs, https://dinofewujib.weebly.com/uploads/1/3/1/3/131379591/615904.pdf, https://wisapemewe.weebly.com/uploads/1/3/4/7/134713478/eced495c9.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 (5 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 8024) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1030 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
- 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
- 20.190.142.165
- 4.144.132.114 SG · Singapore · AS8075 Microsoft Corporation
- 150.171.22.17
- 23.33.238.135
- 52.110.12.21 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.207
- 52.178.17.232 NL · Amsterdam · AS8075 Microsoft Corporation
- 150.171.27.11
- 4.247.188.233 IN · Pune · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://nipisod.ru/strik?utm_term=can+diabetics+have+complex+carbs
- https://dinofewujib.weebly.com/uploads/1/3/1/3/131379591/615904.pdf
- https://wisapemewe.weebly.com/uploads/1/3/4/7/134713478/eced495c9.pdf
- https://vilifamizebu.weebly.com/uploads/1/3/4/6/134617150/0bf85b.pdf
- https://s3.amazonaws.com/xamibebulosaxug/64347285990.pdf
- https://mumovukejepi.weebly.com/uploads/1/3/1/4/131483147/jizujoku.pdf
- https://s3.amazonaws.com/kigavanus/angry_face_pics.pdf
- https://s3.amazonaws.com/vuzufexarevima/rekabe.pdf
- http://ozalupa.space/sobikowijosupirabasv7o5i.pdf
- https://static.s123-cdn-static.com/uploads/4501963/normal_60018012c2e2f.pdf
- https://s3.amazonaws.com/nefunupu/72707566619.pdf
- https://s3.amazonaws.com/zubata/different_period_of_the_french_revolution.pdf
- https://wolapegod.weebly.com/uploads/1/3/0/7/130776073/norakiga_joxafebajekuf_pixilimi.pdf
- http://goodshopsales.xyz/41015253509qvxnw.pdf
- https://wekimede.weebly.com/uploads/1/3/4/8/134862148/lesarebafimoke.pdf
- https://ripufimavewin.weebly.com/uploads/1/3/6/0/136099474/7642251.pdf
- https://lozofedexipa.weebly.com/uploads/1/3/5/9/135969573/zodepexopanaxat_melis.pdf
- http://marketop.club/windows_10_upgrade_2019k7yy6.pdf
- https://s3.amazonaws.com/pevuwarobuvowa/inner_child_workbook_reddit.pdf
- https://s3.amazonaws.com/fedufiporara/the_ultimate_rpg_character_backstory_guide.pdf
- https://cdn-cms.f-static.net/uploads/4476943/normal_606535a1134f2.pdf
- https://dunudafulu.weebly.com/uploads/1/3/1/0/131071166/lirovofasiwa_kiwilogi.pdf
- https://pufoxedoj.weebly.com/uploads/1/3/4/4/134438994/985123.pdf
- http://help-service-support.com/rewebifunumiz3xtw.pdf
- https://cdn-cms.f-static.net/uploads/4493920/normal_6050dbee2f79d.pdf
Embedded domains
- nipisod.ru
- dinofewujib.weebly.com
- wisapemewe.weebly.com
- vilifamizebu.weebly.com
- s3.amazonaws.com
- mumovukejepi.weebly.com
- ozalupa.space
- static.s123-cdn-static.com
- wolapegod.weebly.com
- goodshopsales.xyz
- wekimede.weebly.com
- ripufimavewin.weebly.com
- lozofedexipa.weebly.com
- marketop.club
- cdn-cms.f-static.net
- dunudafulu.weebly.com
- pufoxedoj.weebly.com
- help-service-support.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.215.188.225
- 4.144.132.114
- 52.110.12.21
- 4.230.171.124
- 52.178.17.232
- 4.247.188.233
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report