MALICIOUS — normal_5f86f539eb7ab.pdf
MALICIOUS — normal_5f86f539eb7ab.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
2b0083b4f434f703dda7f751958fc67cc3dfbf91182761253857f770e52e59b0 - SHA-1:
ac5a82ea8c18bb59133dee5c6f9db0bf126c12a4 - MD5:
c09ebb06ebe0f20e77b5a859b6cf0520 - ssdeep:
768:vgGzpDJpo8s8Ahkdztde/agGrX+6ahpzLGcML5CTqt8V/4rZBJDpA27/RuZrSPgQ:YGFNpjs8AedghpzLGpL5By41BJtHtuS3 - TLSH:
T1AF32AEF3106BDC8C3AC6AB037DE6141D6505F6889132A7B498997B3CC97C6BC2E40931 - Submitted as: normal_5f86f539eb7ab.pdf
- File type: pdf · Size: 44244 bytes
- Verdict: malicious (86/100)
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
MITRE ATT&CK
Why this verdict
The malicious score of 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3192) (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 link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365525/normal_5f86f4a015768.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=number+patterns+and+sequences+worksheets+pdf, https://cdn-cms.f-static.net/uploads/4366005/normal_5f86f416a9ff4.pdf, https://cdn-cms.f-static.net/uploads/4365525/normal_5f86f4a015768.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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
8693 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 -
8595eba735e822407c88851fa44567574c8d51d3af9c0301d485b23dcb11a92c - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d6cd1506496dc873cba7015e223ecc97.png -
6ea48e4cd2923292093432e47ad9d29f2d205b54ba3a64a8a47b545f028ad0b7
Embedded URLs
- https://gettraff.ru/123?keyword=number+patterns+and+sequences+worksheets+pdf
- https://cdn-cms.f-static.net/uploads/4366005/normal_5f86f416a9ff4.pdf
- https://cdn-cms.f-static.net/uploads/4365525/normal_5f86f4a015768.pdf
- https://cdn-cms.f-static.net/uploads/4365589/normal_5f86f46cd35ba.pdf
- https://cdn-cms.f-static.net/uploads/4365567/normal_5f86f498d5b54.pdf
- https://cdn.shopify.com/s/files/1/0433/9358/1212/files/80538547613.pdf
- https://cdn.shopify.com/s/files/1/0431/1344/7584/files/63921535342.pdf
- https://cdn.shopify.com/s/files/1/0266/8799/6085/files/79993433215.pdf
- https://cdn.shopify.com/s/files/1/0481/0588/1763/files/nottingham_college_maid_marian_way.pdf
- https://cdn.shopify.com/s/files/1/0429/8938/7935/files/java_for_dummies_free.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/godekux.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/7d3707d5d.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=1787738601&P2=404&P3=2&P4=WiX5v8SUmzwGE1LNx6NmqdedesJv%2fbT5lkwVEVwPMbD9S5shAnu%2bpHPH2rfL6NMXvMthDjWqm1kTR8ZqKlAApA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787738678&P2=404&P3=2&P4=Tqifzj9V2c0H4nD2B%2fhfjQGKmfYGeHAHClVt%2fVvJHuRizZRnVqmN0IL6xnCwbPosR6rHPraF%2fuKUcbTjKjd8Tg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- cdn-cms.f-static.net
- cdn.shopify.com
- jakedekokobara.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 51.104.15.252
- 203.26.79.13
- 20.42.72.131
- 52.230.59.222
- 57.154.63.210
- 4.230.171.124
- 74.179.71.159
- 135.233.95.144
- 20.42.73.28
- 135.232.92.97
- 52.123.129.14
- 20.76.201.171
- 20.184.175.22
- 172.178.240.163
- 92.223.78.30
- 52.123.252.234
- 20.165.94.46
- 52.148.114.188
- 72.154.7.99
- 52.110.12.51
- 52.110.12.49
- 48.200.63.27
- 172.178.240.161
- 52.110.12.44
- 52.110.12.1
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report