SUSPICIOUS — zusezibop.pdf
SUSPICIOUS — zusezibop.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:
63f777c1db88698e6560a54019ab48bfaed0f6acc783ef0dc648bf8b5b826830 - SHA-1:
5e8020d6ee657c39845e4a26308cc60e6ff6d7af - MD5:
ce5d7e11f96ae24f3d93b8173000b602 - ssdeep:
768:7PgGzpDyOLDaeANSXdssja/bq2DmyhH0uSUE2i/jhS97zLDVIjTcnEMCFXS:cGFmOksybYq0uSUvOjhSZnGKXCtS - TLSH:
T1EC31BFF351ABEC886E89EB4798BA10592195D38C2233A7B449DC7B6CC43C6FD6F10521 - Submitted as: zusezibop.pdf
- File type: pdf · Size: 42761 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 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=data+acquisition+system+lecture+notes+pdf, http://files.paraglidinginhongkong.com/uploads/1/3/1/3/131398264/9da33b65.pdf, http://files.sondrakrueger.com/uploads/1/3/1/0/131070476/narodojimug-dutamorezorefe-buvugabapidedeb.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9705 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
- desktop-hsgcbep
- 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
- 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
- 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\SumatraPDF-settings.txt -
7150e0237c829a7f1386329e6f20c7a8b2847db86c7d37a20ce39cd4f4e1d430 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e2bf3857d43f79dae2b887e9550c7635.png -
32a31e6f5d4afdef3ccfd225662331983bfaf84f2687c7ba9ac24a28dccf83e6 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=data+acquisition+system+lecture+notes+pdf
- http://files.paraglidinginhongkong.com/uploads/1/3/1/3/131398264/9da33b65.pdf
- http://files.sondrakrueger.com/uploads/1/3/1/0/131070476/narodojimug-dutamorezorefe-buvugabapidedeb.pdf
- http://files.haymountrehab.com/uploads/1/3/1/6/131606360/jasiwawe.pdf
- http://files.bethanykris.com/uploads/1/3/2/7/132712358/puxixiwemufap.pdf
- https://site-1038344.mozfiles.com/files/1038344/koporilinufuxojixeti.pdf
- https://site-1037241.mozfiles.com/files/1037241/nefekofofi.pdf
- https://cdn.shopify.com/s/files/1/0427/7259/4844/files/7523599210.pdf
- https://cdn.shopify.com/s/files/1/0430/1763/3945/files/60994750534.pdf
- https://cdn.shopify.com/s/files/1/0434/9585/0150/files/agribusiness_management_mcq.pdf
- https://site-1036681.mozfiles.com/files/1036681/26170606722.pdf
- https://site-1037266.mozfiles.com/files/1037266/53757427661.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=1787749209&P2=404&P3=2&P4=SiWyVJYTJcrWJX3A1ikGgk8Lqai0uZfvY3pTGqpnvbuXG06J1%2b3%2bUH1STiisYLzHceG4g%2bNAd8M0gmV%2biEAPiw%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=1787749230&P2=404&P3=2&P4=WgNXel%2f38oDZhZtnHttIW3Hv%2bPClBlkanXOMh5TzpeyU%2fPnqa4BfbMsc6k7YLHealLky%2faTPgPZBnon7XbTukQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- files.paraglidinginhongkong.com
- files.sondrakrueger.com
- files.haymountrehab.com
- files.bethanykris.com
- site-1038344.mozfiles.com
- site-1037241.mozfiles.com
- cdn.shopify.com
- site-1036681.mozfiles.com
- site-1037266.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.50.73.14
- 72.154.7.105
- 51.11.192.51
- 135.233.95.80
- 4.150.223.105
- 52.110.12.24
- 48.211.4.16
- 4.230.171.124
- 52.230.59.222
- 203.26.79.13
- 135.232.92.97
- 52.123.252.222
- 20.112.250.133
- 52.123.129.14
- 20.165.94.63
- 48.200.63.27
- 20.42.65.85
- 4.150.223.113
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report