SUSPICIOUS — fetukaku.pdf
SUSPICIOUS — fetukaku.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:
76436c73e2416aae62b7479f2f51f8ccc1d220e93fe80dbf4bda5c7892b28162 - SHA-1:
a1c442519668673e12b1910445d90bb052d065bd - MD5:
69f74c19e357f2971aeab1ad070680c6 - ssdeep:
768:YgGzpDLp/Uyh0z2jVbkXC5HPr5LdxpRVfWLhMvVtJliW9F:1GFvpeXC9TT/uLAJliW9F - TLSH:
T1B232AEF35067DC8C7AC66B4368BA145C9189DB886022E3B445DC7B6CC4BC6BD3E50971 - Submitted as: fetukaku.pdf
- File type: pdf · Size: 46514 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://gettraff.ru/strik?keyword=sony+4k+blu+ray+player+ubp-+x700, https://site-1043134.mozfiles.com/files/1043134/38966328658.pdf, https://site-1037282.mozfiles.com/files/1037282/retitufawifomejij.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9776 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
- 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
- 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
- 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\8df13232ea0308ade3b72b011facbe99.png -
ca4c39d76c6a23fd25ae9e9aec6f091ef3808279aeb8ef2654d203530056d5d6 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f44c379c4fe9c60e1384cb4fb873e1aa6d9418b50eab36a5f532686ca44348b8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=sony+4k+blu+ray+player+ubp-+x700
- https://site-1043134.mozfiles.com/files/1043134/38966328658.pdf
- https://site-1037282.mozfiles.com/files/1037282/retitufawifomejij.pdf
- https://site-1043791.mozfiles.com/files/1043791/30813662823.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/did_you_get_it_spanish_worksheet_answers_level_3.pdf
- https://cdn.shopify.com/s/files/1/0498/5480/8221/files/29471347879.pdf
- https://cdn.shopify.com/s/files/1/0434/6445/8405/files/lover_revealed.pdf
- https://cdn.shopify.com/s/files/1/0494/4062/0711/files/72227477867.pdf
- http://debozu.fbcakids.com/uploads/1/3/0/8/130814297/fonegezew.pdf
- http://takix.mtcdjservice.com/uploads/1/3/0/8/130873930/mawede-xepefuf-nomosuxew.pdf
- https://uploads.strikinglycdn.com/files/154bef62-78e2-4bb8-bc0f-b03bfcd30649/papodofu.pdf
- https://uploads.strikinglycdn.com/files/6c5aab97-d792-4cc3-926e-9184a9578f7c/47909739759.pdf
- https://uploads.strikinglycdn.com/files/ade66d3c-32f7-4f15-89ce-26b72a23311f/foxomikanekef.pdf
- https://uploads.strikinglycdn.com/files/1ff798e7-d428-4f36-bf51-414eb6bcf063/66757835390.pdf
- https://uploads.strikinglycdn.com/files/28c3be63-d417-4bf8-a265-3e02bc0e299d/givegavezigovo.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
Embedded domains
- gettraff.ru
- site-1043134.mozfiles.com
- site-1037282.mozfiles.com
- site-1043791.mozfiles.com
- cdn.shopify.com
- debozu.fbcakids.com
- takix.mtcdjservice.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.8
- 20.165.94.63
- 4.207.44.73
- 74.178.76.44
- 52.110.12.45
- 4.230.171.124
- 57.154.63.210
- 72.153.5.128
- 203.26.79.13
- 135.233.95.144
- 135.232.92.97
- 20.112.250.133
- 40.79.167.9
- 52.123.128.14
- 40.99.133.226
- 135.233.45.222
- 40.79.150.123
- 48.199.12.1
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report