MALICIOUS — gepikodupazomureta.pdf

MALICIOUS — gepikodupazomureta.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: afa9d8de8403a979db37fffd4ad2087c9bca6bec95d172b86f55e0044c28cdea
• SHA-1: 8aecda0c436b51140dc604043be031e04068e78c
• MD5: eb0837adb14478973ec2074f20b5a10d
• ssdeep: 768:RgGzpD2E0xmtqJuap2qvxrubxZTJ/S89XnU/K2UvGYrlw3f:iGFCfp2qJryvTJ/S8eQvGYrlw3f
• TLSH: T1C1329DF35093ED8C7A8AAB439E6B045CA18AD78D202397A054CD772CC47C7FC6E04A61
• Submitted as: gepikodupazomureta.pdf
• File type: pdf · Size: 44554 bytes
• Verdict: malicious (86/100)

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

• T1105
• T1566.002

Why this verdict

The malicious score of 86/100 is the fusion of 7 weighted signals:

• Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 2264) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
• Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/bd6022ec-2935-4f86-b13e-683f314b4057/xanusakaxofizufa.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://cctraff.ru/strik?keyword=free+pancake+knife+sheath+patterns, https://uploads.strikinglycdn.com/files/bd6022ec-2935-4f86-b13e-683f314b4057/xanusakaxofizufa.pdf, https://uploads.strikinglycdn.com/files/e48f0188-a636-4da4-8c86-35bf288a134f/87532858936.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9708 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
• 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
• 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
• ntp.ubuntu.com
• 79.243.254.169.in-addr.arpa
• 255.255.254.169.in-addr.arpa
• 250.255.255.239.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 0a647807305c9bdbdfd09f72da37ff21186cbd810f7fd21d4297a199c2ac2458
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\082dc9e0b8f6e113d48c7c4475b02738.png - a52d4e9da635dc09aae8ff87bcede684e6635314f88f332b4417d0ebeb71279e
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://cctraff.ru/strik?keyword=free+pancake+knife+sheath+patterns
• https://uploads.strikinglycdn.com/files/bd6022ec-2935-4f86-b13e-683f314b4057/xanusakaxofizufa.pdf
• https://uploads.strikinglycdn.com/files/e48f0188-a636-4da4-8c86-35bf288a134f/87532858936.pdf
• https://uploads.strikinglycdn.com/files/1e58562c-518d-4abb-9a9a-d208c2df73d6/gogafisajafakefonumaj.pdf
• https://uploads.strikinglycdn.com/files/e4e26a71-b47e-4f2b-8d2d-b8224c3e643e/nixilesinakidolo.pdf
• https://site-1043086.mozfiles.com/files/1043086/27590943797.pdf
• https://site-1040387.mozfiles.com/files/1040387/64827785461.pdf
• https://site-1039618.mozfiles.com/files/1039618/vogukuridarowikubidivelev.pdf
• https://site-1041301.mozfiles.com/files/1041301/madaku.pdf
• https://cdn.shopify.com/s/files/1/0484/6872/1818/files/jatuxola.pdf
• https://cdn.shopify.com/s/files/1/0430/5305/6149/files/kovuvoroxiwiwedaxe.pdf
• https://cdn.shopify.com/s/files/1/0482/4812/7643/files/19666878385.pdf
• http://wubelutev.hardawayart.com/uploads/1/3/1/8/131856439/5317154.pdf
• http://files.barriointellect.com/uploads/1/3/2/7/132740321/104c7d.pdf
• http://files.eoccme.com/uploads/1/3/1/1/131164251/26bfbd77b8d2.pdf
• http://fadez.maggiegreenwayart.com/uploads/1/3/1/4/131438003/2076b.pdf
• http://files.trvea.org/uploads/1/3/1/3/131379639/totebovowajikor_liraluzubiw.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

Embedded domains

• cctraff.ru
• uploads.strikinglycdn.com
• site-1043086.mozfiles.com
• site-1040387.mozfiles.com
• site-1039618.mozfiles.com
• site-1041301.mozfiles.com
• cdn.shopify.com
• wubelutev.hardawayart.com
• files.barriointellect.com
• files.eoccme.com
• fadez.maggiegreenwayart.com
• files.trvea.org
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 20.42.73.30
• 172.172.255.217
• 4.150.223.96
• 52.123.252.213
• 52.110.12.46
• 4.230.171.124
• 20.247.184.197
• 72.145.35.99
• 203.26.79.13
• 135.232.92.97
• 74.178.240.61
• 52.123.129.14
• 52.123.252.230
• 135.233.45.221
• 74.179.71.159
• 172.215.188.225
• 20.42.65.91
• 135.233.45.223
• 48.192.143.121

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report