SUSPICIOUS — 81787364901.pdf
SUSPICIOUS — 81787364901.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
6caca210596beefba3813a6ae363cfa376ebda882715f04904e6c85d176a0058 - SHA-1:
e474d8e165662aa4ac4769ade1fa29902f93f6ea - MD5:
350bef61f0966150b28ecebc8fad877e - ssdeep:
768:CHgGzpD2pUqYgygciKJKlf88U7UFHeoHtqTKtirGoLh0DBf/3JOg3xLTMHY:HGFCpdbblf8XOeoH5gGoLqL310Y - TLSH:
T14E33BFF328A7EDCC7AC29B03AD77115A9198C78CA23297A058C97B6DD4BC5BD6D01430 - Submitted as: 81787364901.pdf
- File type: pdf · Size: 51992 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 13 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=bindservice+returns+false+android, https://site-1041285.mozfiles.com/files/1041285/sozodedidulef.pdf, https://site-1038472.mozfiles.com/files/1038472/xepipi.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9727 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f0c67e0e99b1d971b3901add3df1c0620dcba8d9462c864571905621155eff3e - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\abd457ce3fe4f777113166123e78d139.png -
14af0642d4955ddbd9e810b399c2167d377da71aaf4a5d83b40e2ce78a51d493 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=bindservice+returns+false+android
- https://site-1041285.mozfiles.com/files/1041285/sozodedidulef.pdf
- https://site-1038472.mozfiles.com/files/1038472/xepipi.pdf
- https://site-1039443.mozfiles.com/files/1039443/feken.pdf
- https://site-1036633.mozfiles.com/files/1036633/bobigonozifixobu.pdf
- https://site-1042830.mozfiles.com/files/1042830/84709447987.pdf
- http://durija.ritasbeautysupply.com/uploads/1/3/0/7/130776138/lopogog-xelenaw.pdf
- http://burew.rrachild.com/uploads/1/3/1/8/131856333/ed11313bd.pdf
- http://files.columbiapage.com/uploads/1/3/2/6/132696174/eee9261c2294d0.pdf
- http://nikonu.easleyknives.services/uploads/1/3/1/4/131406656/ffc6625c8a9.pdf
- http://widub.farmingdaleadultdaycare.org/uploads/1/3/0/7/130740003/gomegosifup.pdf
- http://neror.luisriverapercussion.com/uploads/1/3/1/4/131406687/7168955.pdf
- http://files.sullipicsphotography.com/uploads/1/3/1/3/131381464/fogidotunilofetid.pdf
- http://files.livingwatersmissionschool.com/uploads/1/3/1/4/131453348/vopofon_fefanotamoguxom_vufuler_vavuzanap.pdf
- https://site-1039435.mozfiles.com/files/1039435/68250365847.pdf
- https://site-1037909.mozfiles.com/files/1037909/todabikaputifizuzig.pdf
- https://site-1039777.mozfiles.com/files/1039777/dizugegemabas.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
Embedded domains
- cctraff.ru
- site-1041285.mozfiles.com
- site-1038472.mozfiles.com
- site-1039443.mozfiles.com
- site-1036633.mozfiles.com
- site-1042830.mozfiles.com
- durija.ritasbeautysupply.com
- burew.rrachild.com
- files.columbiapage.com
- widub.farmingdaleadultdaycare.org
- neror.luisriverapercussion.com
- files.sullipicsphotography.com
- files.livingwatersmissionschool.com
- site-1039435.mozfiles.com
- site-1037909.mozfiles.com
- site-1039777.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
- nikonu.easleyknives.services
Embedded IP addresses
- 172.66.2.5
- 51.105.71.137
- 52.110.12.56
- 40.84.97.4
- 4.230.171.124
- 20.247.184.197
- 74.179.77.204
- 52.123.128.14
- 40.99.133.210
- 52.123.252.194
- 203.26.79.13
- 142.251.222.227
- 172.175.111.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report