MALICIOUS — dorivu.pdf
MALICIOUS — dorivu.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
7490ea019a76cb7eee7aa538238449150464a3de4363b79817ea6a0cdbf96136 - SHA-1:
cbc6b72b6dfdc571e76f28f6678397bc0c609cc6 - MD5:
7aad45294fb26338f0f246664386d00e - ssdeep:
768:qgGzpDdpaifnAj+v0q/CDtvJI0JnH/XbhmIJKPfFfk3LABnK5AngRJm01Ddd9773:3GF5pdQI0JnHfbhmBFfkYnK5wgzm01hL - TLSH:
T1F2329EF320A7EC4CBA87AB43ADAA1458A04DD7885037E7642598776CC4BC3BD7E40551 - Submitted as: dorivu.pdf
- File type: pdf · Size: 45122 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
MITRE ATT&CK
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 8780) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/strik?keyword=nuka+cola+label, https://cdn-cms.f-static.net/uploads/4369330/normal_5f8a63c7d6144.pdf, https://cdn-cms.f-static.net/uploads/4382208/normal_5f8b703a7115c.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9952 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
- c.pki.goog
- 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
- ntp.ubuntu.com
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
d0528f46cbb4ce2b91b73c11189d6968f491b5c540dc1ea161215b57965b2c44 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\6897bb4aafe0750b0c295cce73cdefea.png -
3e5194ad9a9c16df4eb53c1ec66c4414e2634b6d4ced170b6fb1e9cbd11d8d34 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/strik?keyword=nuka+cola+label
- https://cdn-cms.f-static.net/uploads/4369330/normal_5f8a63c7d6144.pdf
- https://cdn-cms.f-static.net/uploads/4382208/normal_5f8b703a7115c.pdf
- https://cdn-cms.f-static.net/uploads/4367305/normal_5f8897b2407f5.pdf
- https://uploads.strikinglycdn.com/files/b3a8906e-c7e2-4813-8e4f-cc0311779f44/76004504211.pdf
- https://uploads.strikinglycdn.com/files/58da664b-e32f-4921-b5a0-061969110e59/company_of_heroes_tales_of_valor_key.pdf
- https://uploads.strikinglycdn.com/files/8dadf072-ae94-4c66-8219-abc0ade64d2f/gopro_hero3__silver_edition.pdf
- https://uploads.strikinglycdn.com/files/bbcd0f92-1787-4574-b0db-450b6ccbf279/dezakixawebesonojosefeden.pdf
- https://uploads.strikinglycdn.com/files/a6bd1782-18c6-49d3-b0c6-612d748b7aad/vuvan.pdf
- https://uploads.strikinglycdn.com/files/3429e2db-3e99-4e26-885e-803b1245198b/newitowebizogagulag.pdf
- https://cdn.shopify.com/s/files/1/0484/7494/7746/files/chicago_electric_power_tools_miter_saw.pdf
- https://cdn.shopify.com/s/files/1/0435/3071/5288/files/types_of_schedule_in_dbms.pdf
- https://cdn.shopify.com/s/files/1/0499/0717/1486/files/brush_killer_herbicide.pdf
- https://cdn.shopify.com/s/files/1/0485/0122/7675/files/barnett_quad_edge_s_crank.pdf
- https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/xetowomalidupok-xinexumero.pdf
- https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/3756296.pdf
- https://cdn.shopify.com/s/files/1/0492/3949/0726/files/file_lock_apk_app.pdf
- https://cdn.shopify.com/s/files/1/0498/2544/8091/files/jawivoribipupulogevinomu.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
Embedded domains
- ggtraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- cdn.shopify.com
- riwisasivituw.weebly.com
- wuvirinofibugiz.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.2
- 52.110.12.32
- 52.110.12.19
- 4.230.171.124
- 72.153.5.138
- 20.247.184.197
- 203.26.79.13
- 74.178.76.128
- 74.179.77.164
- 20.236.44.162
- 52.123.128.14
- 135.233.95.80
- 40.79.167.10
- 142.250.195.163
- 172.175.111.170
- 20.184.175.10
- 172.172.255.217
- 52.123.252.225
- 20.42.65.89
- 4.247.188.233
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report