MALICIOUS — normal_5f9cefddcc5b0.pdf
MALICIOUS — normal_5f9cefddcc5b0.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it.
Identification
- SHA-256:
3314dbf7e3fa19fedf2548be77f2ce82b018e7dd79be429c145e227672b93100 - SHA-1:
8b15d78f59d4cce6bb0aa559d8971b8c734bc6c9 - MD5:
ff48e1298d9231a30d2dc2f4538039ba - ssdeep:
768:SgGzpDSWPRpDSmm0D4lOyX2egQ+RhH1SPmL7JnWmjvKhTYnJ4KEV:PGFWW0X2ecRhVnJWmB4KEV - TLSH:
T19F32BFF360A7EDCC7EC78B03AE96116C628AC78D713392A05598772DC4B84ED2E50971 - Submitted as: normal_5f9cefddcc5b0.pdf
- File type: pdf · Size: 44355 bytes
- Verdict: malicious (82/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
Why this verdict
The malicious score of 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 8344) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 24 external host(s) at runtime (24 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=sherlock+holmes+story+pdf, https://uploads.strikinglycdn.com/files/acfc956f-ef27-411c-99d1-1d2879182a46/hamilton_jazzmaster_manual_winding.pdf, https://cdn-cms.f-static.net/uploads/4384301/normal_5f90f57f43bd2.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
8690 behavior events · 0 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
bb26a453a917ab0bc36842107df2f406772a09a82cb8aae435c42722d0560ca7 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\daf37a853a538456512cb91727aae23c.png -
12509e4f38bd22b3fab289eed6fb02c598d3cfbc2c176cf99e8f68ca24786e06
Embedded URLs
- https://cctraff.ru/123?keyword=sherlock+holmes+story+pdf
- https://uploads.strikinglycdn.com/files/acfc956f-ef27-411c-99d1-1d2879182a46/hamilton_jazzmaster_manual_winding.pdf
- https://cdn-cms.f-static.net/uploads/4384301/normal_5f90f57f43bd2.pdf
- https://cdn-cms.f-static.net/uploads/4393486/normal_5f8eceffef9f1.pdf
- https://uploads.strikinglycdn.com/files/5603d69e-1b54-4dd4-a3c2-2cde47204826/79486631523.pdf
- https://uploads.strikinglycdn.com/files/3f981407-07d9-4289-bb19-9b411b869e9e/27039318655.pdf
- https://cdn-cms.f-static.net/uploads/4424043/normal_5f9cc0989ae62.pdf
- https://cdn-cms.f-static.net/uploads/4369494/normal_5f89638c960a8.pdf
- https://cdn-cms.f-static.net/uploads/4369784/normal_5f893568c87ba.pdf
- https://cdn-cms.f-static.net/uploads/4385214/normal_5f8f2107b6b64.pdf
- https://uploads.strikinglycdn.com/files/aa28c999-4f82-4aad-8ae2-2fa78aacd587/bexatezogozebotaxofer.pdf
- https://uploads.strikinglycdn.com/files/deac016d-c267-4eb3-a260-776273ff7f3b/bell_home_hub_3000_review.pdf
- https://cdn-cms.f-static.net/uploads/4371005/normal_5f97ecd418c3c.pdf
- https://cdn-cms.f-static.net/uploads/4388839/normal_5f8df2b819217.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787767309&P2=404&P3=2&P4=jNQSFTD0nZHlME1gAEJ2PhYzZH8zAaPgTWplBaIpIsKOEU0lzh3Pr5HWn4dcWOuO%2faqnOEVk7JRmElBj8L%2bsbA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.107
- 52.123.252.231
- 20.247.184.142
- 4.247.188.224
- 4.230.171.124
- 74.178.76.128
- 20.50.73.5
- 74.178.240.51
- 52.123.129.14
- 20.231.239.246
- 40.99.133.210
- 172.215.188.225
- 135.234.160.245
- 92.223.78.30
- 135.232.92.34
- 203.26.79.13
- 52.110.12.26
- 52.148.114.188
- 52.110.12.51
- 51.104.15.252
- 51.11.192.48
- 72.154.7.98
- 52.110.12.48
- 52.110.12.1
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report