MALICIOUS — 8254073206.pdf

MALICIOUS — 8254073206.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 7d0899d3fbc7b127342a5f231acfeed4943ce82b1c4ea33a60800cb8fd9508e1
• SHA-1: 5944a31eba1963bf2e5a3a5fc8b4dca0c84e61a3
• MD5: 4016c38191b425d7a4293ae1f9af5820
• ssdeep: 768:4gGzpD0WL42nnrpFgmsYixdBygYrrlyJBh3B8joipvmrtbjL3wulLr0fq/iu9y:VGFwBdBd6lOmpvmrVnNlLryq/iu9y
• TLSH: T1D934AEF39453DD8C7E87DB93A8EB01A5244AC78C71319B605489BA2CC8BC1BD7F54960
• Submitted as: 8254073206.pdf
• File type: pdf · Size: 52545 bytes
• Verdict: malicious (72/100)

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 72/100 is the fusion of 6 weighted signals:

• Contacted 23 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: http://nidelowe.cbtbowling.com/uploads/1/3/1/4/131453990/5bad533aa6daf8a.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://ggtraff.ru/strik?keyword=inteligencia+artificial+libros+recomendados, http://files.kacylatham.com/uploads/1/3/0/8/130814279/sepudatim.pdf, http://files.covidchurchresources.com/uploads/1/3/0/8/130813667/rezolinajaka.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9699 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
• 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

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 33dc5f2e22bb035860ffafec080a9b21fb1583d71fcf125478538e17a5607812
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\eac1f1c56ccd6bbf58ac5d35ddb68fd2.png - 31674c138d7af5641f3c904f4841299e6c6ceec4357871b3e4517c6a855c0bb3
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://ggtraff.ru/strik?keyword=inteligencia+artificial+libros+recomendados
• http://files.kacylatham.com/uploads/1/3/0/8/130814279/sepudatim.pdf
• http://files.covidchurchresources.com/uploads/1/3/0/8/130813667/rezolinajaka.pdf
• http://nidelowe.cbtbowling.com/uploads/1/3/1/4/131453990/5bad533aa6daf8a.pdf
• https://cdn.shopify.com/s/files/1/0484/2897/4237/files/5536925995.pdf
• https://cdn.shopify.com/s/files/1/0266/7790/3551/files/nofojotaditim.pdf
• https://cdn.shopify.com/s/files/1/0436/8223/4521/files/vetarijalojux.pdf
• https://cdn.shopify.com/s/files/1/0436/7358/3781/files/wunebunojikuledamakonat.pdf
• https://cdn.shopify.com/s/files/1/0266/9209/2102/files/88810387384.pdf
• https://cdn.shopify.com/s/files/1/0438/3014/9270/files/kaxepofebuzogepepizijuv.pdf
• https://cdn.shopify.com/s/files/1/0486/5317/2886/files/cypress_and_grove_facebook.pdf
• https://cdn.shopify.com/s/files/1/0432/7515/7670/files/37997537541.pdf
• http://files.tfmusicparents.com/uploads/1/3/1/6/131606291/619089d7.pdf
• http://files.avidduomusic.com/uploads/1/3/1/4/131454316/5368566.pdf
• http://files.college-boundcoachesnetwork.com/uploads/1/3/2/8/132814898/5aad922337.pdf
• http://movojew.christinevilla.com/uploads/1/3/1/4/131437064/3724043.pdf
• http://vifesu.totalstationsstore.com/uploads/1/3/1/0/131071181/kafitoropotikiw-vukeno.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

• ggtraff.ru
• files.kacylatham.com
• files.covidchurchresources.com
• nidelowe.cbtbowling.com
• cdn.shopify.com
• files.tfmusicparents.com
• files.avidduomusic.com
• files.college-boundcoachesnetwork.com
• movojew.christinevilla.com
• vifesu.totalstationsstore.com
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 52.168.117.174
• 74.178.232.29
• 48.211.4.16
• 4.150.223.114
• 52.110.12.11
• 40.84.85.40
• 4.230.171.124
• 172.215.188.225
• 52.230.60.54
• 74.178.76.128
• 52.168.117.175
• 40.99.134.18
• 52.123.128.14
• 40.99.133.226
• 203.26.79.13
• 172.178.240.162
• 52.123.252.203
• 92.223.78.30
• 85.210.196.11
• 20.184.175.7
• 104.208.16.94
• 4.150.223.98
• 172.175.111.170

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report