MALICIOUS — vakamasoxizuva.pdf

MALICIOUS — vakamasoxizuva.pdf 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: c5470c6823cf514d623d7da8bc4b3aabe0a8c7804eb03ca234293ec53e45efc4
• SHA-1: daaae54de9bb2e53ba838766b1e7d5ac92c3fb8d
• MD5: 038170310751e2d0978dcf85e41326f4
• ssdeep: 1536:n8hqM7g+j2AnFvVlhbxkHOUFyM1Thasx9U4qofitGY6/hKjENur5mJk:8hqyg+LF9lhmHOMjzxqoG6pKjENMB
• TLSH: T16A37D0F3615BDC9C7A8A6B137EA7252461CAD7892533DAD04080FB7CC4AC2BE7D40462
• Submitted as: vakamasoxizuva.pdf
• File type: pdf · Size: 71155 bytes
• Verdict: malicious (98/100)

Detections (5 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
• Trellix Stinger (McAfee): PDF/Phish-FAB!038170310751
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 98/100 is the fusion of 8 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
• Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 4912) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
• Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4415950/normal_6009db619f724.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://yafferge.ru/strik?utm_term=how+do+i+extend+my+cdl+permit, https://pujowuvorokom.weebly.com/uploads/1/3/5/3/135347933/6bf944ce.pdf, http://alania365.ru/dialog_ez_cash_top_up_onlineb98ap.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 (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9734 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
• 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
• 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\705742d2ee80fbc5c55b85e18831095a.png - ef912b86862cb2ea32d51f9a4002317e4d7af47a4eb9f9fefa609bf8cbac9365
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - fbd31dae53d07a98abaf2723e7bd16530b9bdd354fc4763f6d0cfe9e87a5a133
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://yafferge.ru/strik?utm_term=how+do+i+extend+my+cdl+permit
• https://pujowuvorokom.weebly.com/uploads/1/3/5/3/135347933/6bf944ce.pdf
• http://alania365.ru/dialog_ez_cash_top_up_onlineb98ap.pdf
• https://terigemi.weebly.com/uploads/1/3/1/8/131856376/kuruka.pdf
• https://s3.amazonaws.com/fowonaxul/badlapur_movie_hd_300mb.pdf
• https://s3.amazonaws.com/jalasilunaz/film_armageddon_full_movie_subtitle_indonesia.pdf
• https://kafiwixuvaso.weebly.com/uploads/1/3/0/8/130874495/3690889bd984.pdf
• https://fadefufogu.weebly.com/uploads/1/3/5/9/135960472/960947.pdf
• http://bred-enligne.com/livro_so_bernardo_graciliano_ramosg4x6y.pdf
• https://s3.amazonaws.com/sowirutelevolur/manualidades_de_navidad_con_tubos_carton.pdf
• https://s3.amazonaws.com/wizedumi/resarugudomifowifapetapif.pdf
• http://dkblogin-de.com/fukepikifepeluzitudokepeq2uij.pdf
• https://cdn.sqhk.co/nikazurokuv/r0WLge7/fabukidakukuxima.pdf
• https://s3.amazonaws.com/najipavez/cm_browser_apk_free.pdf
• https://bivesazi.weebly.com/uploads/1/3/4/6/134652180/860330.pdf
• https://s3.amazonaws.com/futamo/foxirukujek.pdf
• https://cdn-cms.f-static.net/uploads/4415950/normal_6009db619f724.pdf
• http://bcipreactivaperu.com/bidadojuviselozumepigadjy85.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

Embedded domains

• yafferge.ru
• pujowuvorokom.weebly.com
• alania365.ru
• terigemi.weebly.com
• s3.amazonaws.com
• kafiwixuvaso.weebly.com
• fadefufogu.weebly.com
• bred-enligne.com
• dkblogin-de.com
• cdn.sqhk.co
• bivesazi.weebly.com
• cdn-cms.f-static.net
• bcipreactivaperu.com
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 20.165.94.63
• 57.155.104.224
• 74.178.240.61
• 72.153.5.132
• 20.42.73.30
• 52.110.12.3
• 85.210.193.152
• 52.110.12.42
• 4.230.171.124
• 4.247.188.224
• 135.232.92.97
• 52.123.128.14
• 74.178.232.29
• 203.26.79.13
• 52.123.252.233
• 48.211.4.16
• 172.178.240.161
• 48.200.63.27
• 20.184.175.5
• 142.250.195.163

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report