MALICIOUS — nunuduwodopi.pdf
MALICIOUS — nunuduwodopi.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:
1c3142530946bbc5b6f68b9424caf1a08c200bb642cfc1b57dbcd9404a3c9071 - SHA-1:
98e59fb34cddc8ab834f5e7f4ee836a18d21f312 - MD5:
7170adf380c150cfb6db36508eb55ebe - ssdeep:
768:xgGzpDFMLTIUWBNqTbv6xe6ZYppBylaQ5ItCV07W5C2CpHSCVWBu5WK5:CGFBM5WBNqTbv+eiN6ccW54pHSgau0K5 - TLSH:
T13732AEF3505BDDCC76C6AB13AEFA1055A246D74C3132DB60A1C97A2CC4B86FC9E15A20 - Submitted as: nunuduwodopi.pdf
- File type: pdf · Size: 46026 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 16 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/06c58c60-5317-42fa-9ae7-5582d97c78c7/16548054972.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=analogy+worksheets+for+high+school+pdf, http://lilis.david-jones-society.org/uploads/1/3/1/4/131453060/tunuwadidobiro_kokarix_zomobele.pdf, http://files.brookscafe.net/uploads/1/3/1/4/131453526/376227e00969.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9663 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
- ntp.ubuntu.com
- desktop-hsgcbep
- 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=1787777831&P2=404&P3=2&P4=fBKoal9us473AUN5eUc61c0O98mHNDxMkys4nT%2bbFyjMiLsU0q%2f3%2bAivHcNxA6LvQZ10bGZDfKCdfwYO04N%2fNA%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=1787777922&P2=404&P3=2&P4=ZqKakcuWmRT4ga1FDc8C%2f8wcyMdcbwP%2bD8%2b6RXo2ebXq9MFomCQFnrsVhU%2bHl96MHl5lOWO5LTzexvS1EqTevQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
e12d91c58a7f8068e920179c49d10a839dc4720d34dc332172431a3c80cefa46 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b2e0d911126afc006228fd478010e977.png -
52f5808354c1128f48dfb0e97ebfed9b8f063f011ab64aed874b79e836d7b35a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=analogy+worksheets+for+high+school+pdf
- http://lilis.david-jones-society.org/uploads/1/3/1/4/131453060/tunuwadidobiro_kokarix_zomobele.pdf
- http://files.brookscafe.net/uploads/1/3/1/4/131453526/376227e00969.pdf
- http://files.thevegandinosaur.com/uploads/1/3/1/3/131379732/subesafa_fenawesevunag_nebanukifas_tasalomon.pdf
- http://dodedatu.luisimera.com/uploads/1/3/1/3/131379699/78813cea8.pdf
- http://files.themsteaparty.com/uploads/1/3/0/7/130740133/1143319.pdf
- http://files.masteringenglishtoday.com/uploads/1/3/1/4/131453396/vezikesoxigasak-rulekumafokepa.pdf
- https://uploads.strikinglycdn.com/files/06c58c60-5317-42fa-9ae7-5582d97c78c7/16548054972.pdf
- https://uploads.strikinglycdn.com/files/d87c967d-e161-4614-a17a-4e5f38d6923e/36789326957.pdf
- https://uploads.strikinglycdn.com/files/e94bfd9b-5112-4cde-91dd-ca865f876378/7321472313.pdf
- http://sagazewe.healthyenvironmenthealthychildren.com/uploads/1/3/1/4/131453943/2a9e0794e13c.pdf
- http://danufo.theideapublishing.com/uploads/1/3/0/7/130776436/1268597.pdf
- http://files.spinoutattherock.com/uploads/1/3/0/7/130775257/zofemagojorid-mimiz-xorafol.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=1787777831&P2=404&P3=2&P4=fBKoal9us473AUN5eUc61c0O98mHNDxMkys4nT%2bbFyjMiLsU0q%2f3%2bAivHcNxA6LvQZ10bGZDfKCdfwYO04N%2fNA%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
Embedded domains
- cctraff.ru
- lilis.david-jones-society.org
- files.brookscafe.net
- files.thevegandinosaur.com
- dodedatu.luisimera.com
- files.themsteaparty.com
- files.masteringenglishtoday.com
- uploads.strikinglycdn.com
- sagazewe.healthyenvironmenthealthychildren.com
- danufo.theideapublishing.com
- files.spinoutattherock.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 51.104.15.253
- 52.110.12.26
- 4.247.188.233
- 4.230.171.124
- 20.42.179.204
- 20.184.175.6
- 20.236.44.162
- 74.179.77.204
- 40.99.134.18
- 52.123.129.14
- 52.123.252.226
- 72.145.35.104
- 203.26.79.13
- 135.233.45.221
- 142.250.195.227
- 92.223.78.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report