MALICIOUS — 8bdbf4b394e784d9eb1d005f94c1add5f20baefb83fceb164d131af98ceb062b
MALICIOUS — 8bdbf4b394e784d9eb1d005f94c1add5f20baefb83fceb164d131af98ceb062b is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
8bdbf4b394e784d9eb1d005f94c1add5f20baefb83fceb164d131af98ceb062b - SHA-1:
89cb96540f0b13131352c48bdfdadabe229ee96c - MD5:
e457ddc3195e048d64f69ad6c0f1901a - ssdeep:
1536:2GM2RMzVWSdI16Rv44XlWY+/MYqdQF2mkbWQpOCoW4Ol/mm6:LryVBm1uw4MY2/qdXmkGCIOl/e - TLSH:
T1A036CFF32153CE4CB78A9F47A4BE2259A089E78C1173DB50444CB6AC967C67E7F00A51 - Submitted as: 8bdbf4b394e784d9eb1d005f94c1add5f20baefb83fceb164d131af98ceb062b
- File type: pdf · Size: 69564 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: http://altiro.nl/home/tjerk/file/964409083.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://synerhu.ru/uplcv?utm_term=1+trillion+in+a+binary, http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613568ff42e92---lomujuzilegarijemamox.pdf, https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/biragofubaxawu.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9593 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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787925685&P2=404&P3=2&P4=jwC%2byokeEK2qphMt3VzTvZ3%2bx1zYWEIS0TJBzsBTBfyVAeDC7KTfIClBR9Zz4UurY9jijKC2XfQPEwOJ5q8r4w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787925769&P2=404&P3=2&P4=hjfZEXUMtQtMJBAzoCfmU50TSh26ISp4jwHlMCqImhan1z8PJxyxKAtKxj1G%2fdG83xP6nCpy0MDJPCBL398CiA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
18dc7a6de3193ba1b74fc173f44bcfc17a3ff8aef4abb0ca3dc347f2aa7ca3d1 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c43b51766b5d7158c561ad1814984625.png -
1ee258610fe399f66074632ff97f0f1246b0e085d536826ae101be5e1c3fca38 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://synerhu.ru/uplcv?utm_term=1+trillion+in+a+binary
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613568ff42e92---lomujuzilegarijemamox.pdf
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/biragofubaxawu.pdf
- http://altiro.nl/home/tjerk/file/964409083.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/fa95fbc8b10175afd30a21a62093038a/70034080611.pdf
- https://firesystem.ro/imagini_ws/41245428367.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16142a400a8acd---69024679670.pdf
- https://mmeasar.com/mmeasarfiles/file/32084343064.pdf
- http://studiocinti.eu/userfiles/files/zopomefesomu.pdf
- https://alves.bg/ckfinder/userfiles/files/rewalenofibubaso.pdf
- http://yibetter.com/data/files/xezumiwipeke.pdf
- http://imosa.asia/uploads/files/202109280046152792.pdf
- https://asi-filter.pl/files/file/33005676651.pdf
- http://alpinedelhi.com/userfiles/files/57783929092.pdf
- https://eklyps.net/images/file/60548930884.pdf
- http://londonjip.com/userData/board/file/monila.pdf
- http://sethhukumchandschool.com/userfiles/file/8022694868.pdf
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210923172436.pdf
- http://dodogs.ru/sites/default/files/file/dasexuma.pdf
- https://fundreamz.com/ckfinder/userfiles/files/24891366569.pdf
- http://vitrine-prof.com/files/88357392354.pdf
- https://podimercrm.com/img/files/6171041443.pdf
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/40264172435.pdf
- http://osayit.com/images/file/tedulumirodebunurumiw.pdf
- http://coumert.com/images/file/fasikukafik.pdf
Embedded domains
- synerhu.ru
- structurecreative.com
- www.artikel238.nl
- altiro.nl
- mmeasar.com
- studiocinti.eu
- yibetter.com
- imosa.asia
- asi-filter.pl
- alpinedelhi.com
- eklyps.net
- londonjip.com
- sethhukumchandschool.com
- xn--djr00fsyfv0o5qgy9u.net
- dodogs.ru
- fundreamz.com
- vitrine-prof.com
- podimercrm.com
- arrad.ch
- osayit.com
- coumert.com
- www.w3.org
- purl.org
- ns.adobe.com
- catherinehourihan.art
Embedded IP addresses
- 57.155.104.224
- 4.247.188.233
- 20.42.73.24
- 52.110.12.47
- 4.230.171.124
- 135.233.95.144
- 74.179.77.164
- 40.84.85.40
- 20.112.250.133
- 52.123.129.14
- 74.178.76.128
- 135.232.92.34
- 203.26.79.13
- 162.159.142.9
- 20.42.65.90
- 52.168.117.171
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report