MALICIOUS — besul.pdf
MALICIOUS — besul.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
6980b5fe82eea15b017ae98a8da71e63a4f5fbc939959f3ebe7cd0ba621ba9ac - SHA-1:
a1f2990583da8fff9d8aa88b461592a388db2239 - MD5:
6ec6b5e9d86b55b0cb4c05220fd3e8bd - ssdeep:
768:IgGzpD01Gt6Ma+UZyTEUVP8hVtTrXIsa4I41xQBXMHBfnY:FGFoDyTEU58hD5a4IExQ8HtnY - TLSH:
T16F319DF7049BDDCC7AC6AF176DE214A9654AEA8C613292545998373CC4BC2FC7F00A60 - Submitted as: besul.pdf
- File type: pdf · Size: 40877 bytes
- Verdict: malicious (84/100)
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 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366384/normal_5f8722f695226.pdf - network signal, weight 0.70, confidence 0.80
- 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=hot+wheels+display+case+55+gasser, https://uploads.strikinglycdn.com/files/d028d506-18ec-48c0-b1ca-8c655a116f33/remo_movie_video_songs_download.pdf, https://uploads.strikinglycdn.com/files/b6670893-2d7c-435c-8e77-13ae02e19202/gafodokemedalevib.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)
9774 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
- 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
- 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
- desktop-hsgcbep
- 252.0.0.224.in-addr.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
- 250.255.255.239.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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b48d419af48d02b263471bc903ae95bb.png -
f00c2888edd81ce706cc40e96c0e0a672e08225f77b8f12f788e0aff6f8f3cb1 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
e4d579b08d101245a99fa999b13d77e5769a56b7e525ddfe5c77ac412f0dce01 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/strik?keyword=hot+wheels+display+case+55+gasser
- https://uploads.strikinglycdn.com/files/d028d506-18ec-48c0-b1ca-8c655a116f33/remo_movie_video_songs_download.pdf
- https://s3.amazonaws.com/kufazete/dofaw.pdf
- https://uploads.strikinglycdn.com/files/b6670893-2d7c-435c-8e77-13ae02e19202/gafodokemedalevib.pdf
- https://cdn-cms.f-static.net/uploads/4366384/normal_5f8722f695226.pdf
- https://xonimitofowe.weebly.com/uploads/1/3/2/6/132682232/2461809.pdf
- https://cdn.shopify.com/s/files/1/0504/3522/7837/files/kasure.pdf
- https://uploads.strikinglycdn.com/files/55a474d1-d0bc-4a1a-91fc-2a9a5bd8ce3f/11582021843.pdf
- https://s3.amazonaws.com/levumoduf/95441869239.pdf
- https://cdn.shopify.com/s/files/1/0496/6180/4700/files/photo_convert_to_app_download.pdf
- https://cdn.shopify.com/s/files/1/0496/1527/4147/files/58268210553.pdf
- https://cdn-cms.f-static.net/uploads/4366063/normal_5f8c3b0e9ec82.pdf
- https://uploads.strikinglycdn.com/files/118f0108-28d1-49d9-a018-5f2dc5f9b1b2/gavebapoful.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=1787741223&P2=404&P3=2&P4=ZOWuDHH%2bCawUekBfVDZR4oGOAdolSFXIp6c2WRu5WmvRwFvhKzM1EwCegMC9Rvl7klf4wr4GqMgDIZ8j8vMl8A%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
- ggtraff.ru
- uploads.strikinglycdn.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- xonimitofowe.weebly.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 20.42.65.90
- 172.172.255.216
- 4.150.223.106
- 4.150.223.100
- 172.66.2.5
- 40.84.85.40
- 52.110.12.15
- 4.230.171.124
- 20.247.184.197
- 74.178.240.61
- 74.178.240.51
- 20.165.94.46
- 72.153.5.60
- 40.103.64.242
- 203.26.79.13
- 57.155.104.224
- 104.46.162.229
- 4.150.223.104
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report