MALICIOUS — biology_evolution_study_guide_answers.pdf
MALICIOUS — biology_evolution_study_guide_answers.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
e1bd06a121afddcb7dc26fa1a6d95db8f18394da33d1b1c1bfb50ac3c3a9c7fe - SHA-1:
b32bef916789d183d4ec31a9837c70f362e52efb - MD5:
4956f9837ef4b3625a50bbd12be1307c - ssdeep:
768:QgGzpDG/dh2VOyoreCbknJ2trzPq5BNvMGNQ0z6NNy5yDA9R:9GFS/UoUoFq5YGN9eyMA9R - TLSH:
T104328DF35157DD983FC79B07A9BA0059A18AC7892132AA7054C83B7CC87C6BD6E449A0 - Submitted as: biology_evolution_study_guide_answers.pdf
- File type: pdf · Size: 43928 bytes
- Verdict: malicious (72/100)
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 72/100 is the fusion of 6 weighted signals:
- Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/28ecdb65-63f7-45aa-80b8-154fd0f5e79e/antigone_test_questions_and_answers.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://traffine.ru/strik?keyword=biology+evolution+study+guide+answers, https://uploads.strikinglycdn.com/files/28ecdb65-63f7-45aa-80b8-154fd0f5e79e/antigone_test_questions_and_answers.pdf, https://uploads.strikinglycdn.com/files/73f95afb-83c5-44de-8d46-8254527e79ba/professor_layton_vs._phoenix_wright_ace_attorney_amazon.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 (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9894 behavior events · 0 ATT&CK techniques · 3 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
- ntp.ubuntu.com
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
0d984468c0b6871eb96831eaf8a757213e1ffa256057b31df0cad10c4b468f9a - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\6fa3a034eb78f044d722a9cd218515a7.png -
8b4bd364d6e9a9436629661360f75bf3d3436e34bc97e2198f8be3a85fc55b57 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://traffine.ru/strik?keyword=biology+evolution+study+guide+answers
- https://uploads.strikinglycdn.com/files/28ecdb65-63f7-45aa-80b8-154fd0f5e79e/antigone_test_questions_and_answers.pdf
- https://uploads.strikinglycdn.com/files/73f95afb-83c5-44de-8d46-8254527e79ba/professor_layton_vs._phoenix_wright_ace_attorney_amazon.pdf
- https://uploads.strikinglycdn.com/files/31857b6b-07e9-4b13-989d-66ea98f93ad4/jevolodimak.pdf
- https://s3.amazonaws.com/fatikonavori/wanitomupirakomebuvagekes.pdf
- https://cdn-cms.f-static.net/uploads/4371808/normal_5f9682219327d.pdf
- https://uploads.strikinglycdn.com/files/c74c90b5-0e65-4dc0-a1d3-882d5a2dad21/logic_problems_x2_garden_plans_grid_answers.pdf
- https://zinikedefi.weebly.com/uploads/1/3/0/7/130740178/6867760.pdf
- https://s3.amazonaws.com/litunux/a_jury_of_her_peers_critical_analysis.pdf
- https://s3.amazonaws.com/susonanezaj/41369321990.pdf
- https://s3.amazonaws.com/gozilum/anarchist_design_book_bookcase.pdf
- https://s3.amazonaws.com/xozeb/agri_diploma_books.pdf
- https://cdn-cms.f-static.net/uploads/4376369/normal_5f8f79ba4c751.pdf
- https://pebezudaxefen.weebly.com/uploads/1/3/4/3/134347708/firasuwuduron.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=1787735594&P2=404&P3=2&P4=WRQZZ8RdSTMajJBJSJ3iOEKqoyNYlHXY8Yx3XxSMm9f3OTOqVtl30wjg6XEXMFudpTEPP4kK3BVUJr85RPizaA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- traffine.ru
- uploads.strikinglycdn.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- zinikedefi.weebly.com
- pebezudaxefen.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.165.94.46
- 52.123.252.242
- 52.230.60.54
- 85.210.196.11
- 52.110.12.5
- 4.230.171.124
- 135.232.92.137
- 74.178.76.54
- 52.123.128.14
- 52.123.252.244
- 72.145.35.105
- 203.26.79.13
- 135.234.160.244
- 172.178.240.163
- 48.192.143.121
- 52.148.114.188
- 142.250.195.163
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report