MALICIOUS — b44a891ad370fda63b156bec1a67e3d41dafa4e02bee1461bb69b106cfe3062d
MALICIOUS — b44a891ad370fda63b156bec1a67e3d41dafa4e02bee1461bb69b106cfe3062d is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b44a891ad370fda63b156bec1a67e3d41dafa4e02bee1461bb69b106cfe3062d - SHA-1:
419c032f7eadddfc424fdaf19e724e075e1e6fb4 - MD5:
0c7b8a4668e8071d3835a86e369373b8 - ssdeep:
1536:KRA2SezHwjdaIDZIQx+FKwWJtvLbC41FMYvoB7zgT4+AgUJzP/PFJWB7Xf8An3kN:C1QkIDnxl9JVyGFM2oB3Q4+2JjPFeXe - TLSH:
T18F39D0F31183CEA87A8FAB43A5E616687446D6893133EBA44845BB1CD87C5BD6F00E50 - Submitted as: b44a891ad370fda63b156bec1a67e3d41dafa4e02bee1461bb69b106cfe3062d
- File type: pdf · Size: 92439 bytes
- Verdict: malicious (95/100)
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 95/100 is the fusion of 6 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 - Contacted 13 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cructi.ru/uplcv?utm_term=kcet+previous+year+solved+papers, https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/b8p59f8eulmmc56771p0vdg8r6/64150644898.pdf, http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9d32c794c---32574882923.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 (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9687 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
- ntp.ubuntu.com
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2d432f777430c402f47bc0e8ee57557053715314d7b9dee00631e2da4e296d14 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d601c90f7f1c768faf4ba61a9472429f.png -
7c54bcc6f0696c1987b67dee47f982686fbf2b920fcdd5d9cb430fefab69361f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cructi.ru/uplcv?utm_term=kcet+previous+year+solved+papers
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/b8p59f8eulmmc56771p0vdg8r6/64150644898.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9d32c794c---32574882923.pdf
- http://www.chatanakonci.cz/userfiles/file/73258028676.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/k1cq1ff5n8k45hp2otj5tr0jrt/lisedonorupajojudiz.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaddc6acc2a---xadanepimokoniram.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/940f708c917aa55eddbac237103a0469/mosoxotaziso.pdf
- https://africanresearchcenter.com/userfiles/file/vojowoxofexumo.pdf
- http://andlupa.com/userfiles/file/wezav.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a31272efa17---35890082225.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/44d8cef5b8c0f26aac63c33ff16d4441/fomuxuzekamos.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/11a5a6706e1787f27c7df38704af5824/tifinip.pdf
- http://reelproductionshd.com/userfiles/file/zemarenokubukinuj.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6ea153573---pitovogafivawisorag.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160c490cdc1069---67354198786.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c4954055a5c---gaxafitimel.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/1a640a6069a7e5223221c78beed50159/mizatojikixobirazatil.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/6fcd816f799f233b7d716cd923cb997a/fimogotufapetumu.pdf
- http://sosnovgeo.ru/userfiles/file/76115802282.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/
Embedded domains
- cructi.ru
- janeunchained.com
- mijneigenlift.nl
- srp-galabau-rostock.de
- www.rolstoellift.com
- www.phoenixdentalacademy.co.uk
- africanresearchcenter.com
- andlupa.com
- cohn-vossen.com
- www.straightmyteeth.com
- reelproductionshd.com
- www.sparkprototypes.com
- omniatel.it
- ailani.org
- teenvolunteerdallas.org
- sosnovgeo.ru
- www.w3.org
- purl.org
- ns.adobe.com
- www.chatanakonci.cz
- ptk-astana.kz
- rusiuojigalvoji.lt
Embedded IP addresses
- 135.233.95.80
- 52.253.84.76
- 52.110.12.45
- 52.110.12.53
- 4.230.171.124
- 20.165.94.63
- 135.233.95.135
- 52.123.129.14
- 52.123.128.14
- 4.150.223.114
- 72.154.7.99
- 203.26.79.13
- 92.223.78.30
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report