SUSPICIOUS — 669720508.pdf
SUSPICIOUS — 669720508.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
1559d1fd4d0bd1bb91f1a0ec413b019dd602d327071db06c6a34587dcfdefb54 - SHA-1:
39797d0c422be6f681651419c01b663652c4c03d - MD5:
fbc5c64c04777c38bf7473b946b3fe1c - ssdeep:
768:egGzpDypl2/I7IYt1+KBU7B6IoyV0IJEi0D18TBJW/t1BwlTL5yDOV56:bGFGOsIofIKi0aTBoheLMOVI - TLSH:
T1E632BFF36067EC8D7A87AF039EBA0058B14AE7892032966458CC376CD57C5FDAE50760 - Submitted as: 669720508.pdf
- File type: pdf · Size: 45142 bytes
- Verdict: suspicious (64/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=area+of+shapes+worksheet+3rd+grade, https://uploads.strikinglycdn.com/files/de2170a1-0839-49c2-a841-9ffebefc2433/72219758355.pdf, https://uploads.strikinglycdn.com/files/ac9f557e-a909-4249-8e4a-92a5adb6ab3b/wexodudowupolopamitibasid.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 (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9825 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep._dosvc._tcp.local
- 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=1787764863&P2=404&P3=2&P4=Yj3Fu%2bTJM1y7gsiOP0wAhlSsqaVhWdWtCL7GdI3kH0Rg%2f6A2IYoKFFYriXWGT16YveRLgP9r9qQdLBUyoB9FNQ%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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
13c4e7f7dd4369d75bf294a9418dd5f8b5067d14fc868ab5edd4a3a4886b13a5 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\21b20c535fb169bd25c5f28a1572c5d6.png -
eb23fd2adcac38c09cfe9d0096c7749359ecd9a76bfb9f5413dff7bcfa597fcd - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=area+of+shapes+worksheet+3rd+grade
- https://uploads.strikinglycdn.com/files/de2170a1-0839-49c2-a841-9ffebefc2433/72219758355.pdf
- https://uploads.strikinglycdn.com/files/ac9f557e-a909-4249-8e4a-92a5adb6ab3b/wexodudowupolopamitibasid.pdf
- https://uploads.strikinglycdn.com/files/99730c5f-a1be-4244-b089-8f0d16f96ade/38053980690.pdf
- https://uploads.strikinglycdn.com/files/a80e72a7-6d1c-446b-95cc-c78690311afe/zofofof.pdf
- https://uploads.strikinglycdn.com/files/b4b5aa4f-ed2e-43da-ac54-de4f94dab9c9/rikibubigajuwawusanub.pdf
- https://cdn.shopify.com/s/files/1/0430/7527/2855/files/honda_cbr600rr_for_sale_in_jamaica.pdf
- https://cdn.shopify.com/s/files/1/0437/9826/6016/files/lijubolakulukuxita.pdf
- https://cdn.shopify.com/s/files/1/0457/6336/2980/files/58885109872.pdf
- https://cdn.shopify.com/s/files/1/0433/3984/1695/files/6280968425.pdf
- https://cdn.shopify.com/s/files/1/0432/7905/7056/files/whirlpool_duet_ht_washer_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/2786/4471/files/38571375216.pdf
- https://cdn.shopify.com/s/files/1/0437/5232/5272/files/mupamojanutem.pdf
- https://cdn.shopify.com/s/files/1/0457/7588/0348/files/jerel.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=1787764863&P2=404&P3=2&P4=Yj3Fu%2bTJM1y7gsiOP0wAhlSsqaVhWdWtCL7GdI3kH0Rg%2f6A2IYoKFFYriXWGT16YveRLgP9r9qQdLBUyoB9FNQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.230.59.222
- 52.110.12.55
- 52.110.12.18
- 4.230.171.124
- 20.165.94.46
- 203.26.79.13
- 104.208.16.94
- 20.76.201.171
- 52.123.129.14
- 52.123.128.14
- 52.123.252.197
- 52.123.252.240
- 135.232.92.137
- 52.123.252.203
- 74.178.76.44
- 92.223.78.30
- 142.251.222.227
- 172.175.111.170
- 20.42.65.89
- 52.168.117.174
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report