MALICIOUS — b78c9751a9bbaf279f9eb5a1e689290f66a95b70fc71d788712fef53ade8f6d9
MALICIOUS — b78c9751a9bbaf279f9eb5a1e689290f66a95b70fc71d788712fef53ade8f6d9 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b78c9751a9bbaf279f9eb5a1e689290f66a95b70fc71d788712fef53ade8f6d9 - SHA-1:
d28e9fc96e3e7d61045308b5de88a6a82846f05b - MD5:
63cbeeb6fa212d40b626bfed355ed5c3 - ssdeep:
1536:pp4BrsA+Qmg56W9dltKp4AIG2CWFDbxAK8Kulwjx+shRcZzNBbZB:2rsAQgtvQ4isfuK0RskpN9 - TLSH:
T16D38D1F3526BDD4CFBDB5B13B8E6166DA459D2CC203297811488323CD5E82BE6E20A11 - Submitted as: b78c9751a9bbaf279f9eb5a1e689290f66a95b70fc71d788712fef53ade8f6d9
- File type: pdf · Size: 77845 bytes
- Verdict: malicious (98/100)
Detections (5 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Trellix Stinger (McAfee): PDF/Phish-FAB!63CBEEB6FA21
- 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4369904/normal_5fc619cdce372.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://dafemum.ru/strik?utm_term=star+trek+discovery+script+pdf, https://static.s123-cdn-static.com/uploads/4369904/normal_5fc619cdce372.pdf, http://mixezitubut.mygamesonline.org/the_power_of_kabbalah_free_download.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9630 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
- 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
- 252.0.0.224.in-addr.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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
fedcf17247c7eea851ab4c0dda1b4655484acf9fbd4d162b26a1c485e28f4b49 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\0c8ae37d8c97e22f750dadcd692f449c.png -
6b77108bec41ecb6310fee9503bea1155f25bef63caf398cf1d7fd93d61f1c4a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://dafemum.ru/strik?utm_term=star+trek+discovery+script+pdf
- https://static.s123-cdn-static.com/uploads/4369904/normal_5fc619cdce372.pdf
- http://mixezitubut.mygamesonline.org/the_power_of_kabbalah_free_download.pdf
- http://mixezitubut.mygamesonline.org/metal_cutting_blades_for_black_and_decker_jigsaw.pdf
- https://s3.amazonaws.com/sakaburepagase/30276226148.pdf
- https://cdn.sqhk.co/vipikunowi/jg4ii4p/slither_2_movie_trailer.pdf
- https://s3.amazonaws.com/timeziso/american_football_games.pdf
- https://static.s123-cdn-static.com/uploads/4445541/normal_5ff301c2d36cc.pdf
- https://cdn.sqhk.co/satovepato/Ug2iihe/22222754861.pdf
- https://s3.amazonaws.com/gorajikunobixi/zajabeborimufaxolelok.pdf
- http://vevapefin.sportsontheweb.net/73441381556.pdf
- http://tezibif.mygamesonline.org/fender_mustang_gtx100_modelling_combo_amp.pdf
- http://sifisomatexow.sportsontheweb.net/adobe_writer.pdf
- https://cdn.sqhk.co/mojikeke/aVrgf4l/22194713592.pdf
- http://wupunekum.getenjoyment.net/9815694748.pdf
- https://8d2868a3-57b7-484c-81f6-493c1c4f5daa.filesusr.com/ugd/a8ca0f_a65d8b3e9992492db49348abb2bdc8a4.pdf?index=true
- http://kunutudusoxa.mywebcommunity.org/xidatoxedexewi.pdf
- http://gelufose.scienceontheweb.net/vunujamibisiner.pdf
- https://ce55c564-0e79-48ac-bd91-a034cff8554b.filesusr.com/ugd/bd1fc0_5d98e791cb8d412493f69f2d3cf928fd.pdf?index=true
- 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
- dafemum.ru
- static.s123-cdn-static.com
- mixezitubut.mygamesonline.org
- s3.amazonaws.com
- cdn.sqhk.co
- vevapefin.sportsontheweb.net
- tezibif.mygamesonline.org
- sifisomatexow.sportsontheweb.net
- wupunekum.getenjoyment.net
- 8d2868a3-57b7-484c-81f6-493c1c4f5daa.filesusr.com
- kunutudusoxa.mywebcommunity.org
- gelufose.scienceontheweb.net
- ce55c564-0e79-48ac-bd91-a034cff8554b.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.11
- 48.211.4.16
- 52.123.252.248
- 40.84.97.4
- 4.230.171.124
- 51.11.192.51
- 20.112.250.133
- 74.178.240.61
- 52.123.128.14
- 40.104.4.2
- 40.99.134.2
- 72.153.5.134
- 203.26.79.13
- 135.234.160.244
- 20.184.175.23
- 74.178.232.29
- 20.42.65.88
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report