MALICIOUS — normal_5f870fb03c0de.pdf
MALICIOUS — normal_5f870fb03c0de.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:
4f3211072796d879383740042c389ae6ccaa68dc0a352594bf5d338f87ad21e3 - SHA-1:
f6c8bb4f4c6e90d2821d2bcc82541197ed919610 - MD5:
9a82a6aa256af2380d414f46e43c687a - ssdeep:
768:4gGzpDYePdTiiec9Jy6AhyOpvvjrQODD6Sic2KhdhsMs30rTa:VGFUeFGn8OpzrQODD6SiwVs30/a - TLSH:
T146328EF350E7DC8C7ACBAB036EEA24295549D7886172D7A04888772DC47C3BC7E50A21 - Submitted as: normal_5f870fb03c0de.pdf
- File type: pdf · Size: 45350 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 9072) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 25 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=gigabyte+gtx+1060+3gb+manual, https://uploads.strikinglycdn.com/files/8718d836-b850-4c13-84ed-12c7ab014d48/84255279834.pdf, https://uploads.strikinglycdn.com/files/8fc1647f-b32d-4649-bdbb-e586b254449f/67818860172.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 (16 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
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6df1f9219d5a749019c716e3ac52ff3cc43550796385069b592fe0de86832755 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f5ad35c0b1e1d3a8177f000635bd662c.png -
fd9e18541a4a6582a58872cdc830337c9b70840f2bc3199fe9dcca2247c70470
Embedded URLs
- https://cctraff.ru/123?keyword=gigabyte+gtx+1060+3gb+manual
- https://uploads.strikinglycdn.com/files/8718d836-b850-4c13-84ed-12c7ab014d48/84255279834.pdf
- https://uploads.strikinglycdn.com/files/8fc1647f-b32d-4649-bdbb-e586b254449f/67818860172.pdf
- https://uploads.strikinglycdn.com/files/42821ce8-6882-417d-ac9f-36208d5c8dc3/zigal.pdf
- https://uploads.strikinglycdn.com/files/e38638bb-1c93-45f4-8f50-414ca81d4f6d/simimewop.pdf
- https://uploads.strikinglycdn.com/files/3b9d70e5-7c8a-4110-b967-e82f6cf8a0a1/22024861667.pdf
- https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/6497588.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/caa64.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/domovodibaposix.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/vunud.pdf
- https://cdn-cms.f-static.net/uploads/4365656/normal_5f870562dcdfe.pdf
- https://cdn-cms.f-static.net/uploads/4366057/normal_5f870bc2908ee.pdf
- https://cdn-cms.f-static.net/uploads/4366018/normal_5f86f4d3c1dfa.pdf
- https://site-1040312.mozfiles.com/files/1040312/36079833905.pdf
- https://site-1043890.mozfiles.com/files/1043890/98740993823.pdf
- https://site-1043090.mozfiles.com/files/1043090/lafoxovisozuza.pdf
- https://site-1038387.mozfiles.com/files/1038387/sokaraxurarasutuwuduw.pdf
- https://site-1039895.mozfiles.com/files/1039895/93084096449.pdf
- https://site-1037261.mozfiles.com/files/1037261/25993240399.pdf
- https://site-1037886.mozfiles.com/files/1037886/togomeloxejej.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- fodezamu.weebly.com
- dimaxafazeza.weebly.com
- guwomenod.weebly.com
- vuxozajuje.weebly.com
- cdn-cms.f-static.net
- site-1040312.mozfiles.com
- site-1043890.mozfiles.com
- site-1043090.mozfiles.com
- site-1038387.mozfiles.com
- site-1039895.mozfiles.com
- site-1037261.mozfiles.com
- site-1037886.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.155.104.224
- 20.184.175.16
- 52.123.252.204
- 4.144.132.114
- 4.230.171.124
- 85.210.193.152
- 20.165.94.63
- 135.232.92.97
- 20.42.65.89
- 142.251.42.99
- 20.76.201.171
- 40.99.133.242
- 52.123.128.14
- 203.26.79.13
- 135.234.160.244
- 162.159.142.9
- 52.123.252.236
- 135.233.95.80
- 52.148.114.188
- 72.145.35.96
- 52.110.12.51
- 52.110.12.20
- 172.178.240.161
- 52.110.12.44
- 52.110.12.4
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report