MALICIOUS — normal_5fa3a944bf11b.pdf

MALICIOUS — normal_5fa3a944bf11b.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: 01de4fce15b881e3f9cf44708e44d8dabbaa89ad725dee8006a615209ec52b51
• SHA-1: 22370a4e560766bec6cfbdd1cc71d0cc27881de1
• MD5: 4ce5c7c25c39db1dc03f11a51d46549b
• ssdeep: 768:CngGzpDUtLFcPcyHQu+j4JT0+gbtXp/GY0M97Cg6cKcIT9tDFJ:zGFor6JT0NFpuYJF6c1StDFJ
• TLSH: T1D1329EF390A7DDCC7A86AF035AF91059618AC34D6232AB6041C87B7CC47C6BD3E50962
• Submitted as: normal_5fa3a944bf11b.pdf
• File type: pdf · Size: 46921 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 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/5b988b12-4bb1-4f12-9f08-057264afd5be/bissell_deep_clean_deluxe_pet_instructions.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://ttraff.me/123?keyword=how+to+block+snapchat+app+on+android, https://uploads.strikinglycdn.com/files/5b988b12-4bb1-4f12-9f08-057264afd5be/bissell_deep_clean_deluxe_pet_instructions.pdf, https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/xemipir_xepiwopajo_lofijewuv.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)

9808 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
• c.pki.goog
• 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

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\4728ebec28d6fb1dc02202364af83866.png - 6e6f9057b17fe193b1fd6c359310138582cea05792e68fe9536d0cbe64cffea6
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 0afd1fc4c2ab094463d4279996f9544ef19c79455423d0dfbf4b0c934d3b8258
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://ttraff.me/123?keyword=how+to+block+snapchat+app+on+android
• https://uploads.strikinglycdn.com/files/5b988b12-4bb1-4f12-9f08-057264afd5be/bissell_deep_clean_deluxe_pet_instructions.pdf
• https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/xemipir_xepiwopajo_lofijewuv.pdf
• https://s3.amazonaws.com/lorerexeg/beruxafadoxusokije.pdf
• https://cdn-cms.f-static.net/uploads/4369520/normal_5f9aaced81eaf.pdf
• https://uploads.strikinglycdn.com/files/7496f9c8-1d41-4182-9c63-1a27c242be6e/91666951308.pdf
• https://uploads.strikinglycdn.com/files/040d029f-8c90-4b75-9e3b-3dea8ab3f637/86089735672.pdf
• https://s3.amazonaws.com/luxelula/98583482621.pdf
• https://uploads.strikinglycdn.com/files/4f046213-a4d4-4655-b9e5-a4ce9f68f0ef/95647179113.pdf
• https://uploads.strikinglycdn.com/files/e4bd468e-be96-4da3-9581-f649faf3a6e3/kijezamidologibavova.pdf
• https://cdn-cms.f-static.net/uploads/4376612/normal_5f8e2bf332c62.pdf
• https://uploads.strikinglycdn.com/files/41180baa-4263-406c-9eb3-55bf6a74f05e/suzuki_5.pdf
• https://s3.amazonaws.com/fasanag/adverbs_of_place_exercise.pdf
• https://s3.amazonaws.com/sevoga/a_mathematician_s_lament_download.pdf
• https://s3.amazonaws.com/wulotugadag/showtime_anytime_activation_on_roku.pdf
• https://s3.amazonaws.com/lomogas/windows_shell_script_tutorial.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
• http://rb.symcb.com/rb.crl

Embedded domains

• ttraff.me
• uploads.strikinglycdn.com
• xavoxoxuda.weebly.com
• s3.amazonaws.com
• cdn-cms.f-static.net
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 4.207.44.64
• 172.172.255.217
• 52.110.12.21
• 52.110.12.22
• 4.230.171.124
• 172.215.188.225
• 20.89.1.10
• 20.76.201.171
• 74.178.240.61
• 4.150.223.100
• 40.99.133.242
• 72.145.35.103
• 203.26.79.13
• 142.250.183.35
• 92.223.78.30
• 51.132.193.104

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report