MALICIOUS — normal_601855880e873.pdf

MALICIOUS — normal_601855880e873.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: 0f5ee571e4e8078dc1451b61c403acb593b33d50058938d891a4cc26961ccacd
• SHA-1: 20db8586ef8f217e2a9f4f990866774992772dcc
• MD5: ca206f00a42d71fff48f96f6a604b254
• ssdeep: 1536:8R/hnJ70GbNQtOMNQIgaV6evrQjDostlYEQcqU6yTcT8BtHeW4QSiZMGW:O1J7IVV6eDA/YJU6CcATHiViZU
• TLSH: T1FA38D0F361CBDC5DBA9D5B0399B60168658ADB4964339AB40588793CC0BC3AF3F04A61
• Submitted as: normal_601855880e873.pdf
• File type: pdf · Size: 79064 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!CA206F00A42D
• 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 7 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
• Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4401711/normal_5fde5b23ac058.pdf - network signal, weight 0.70, confidence 0.80
• Contacted 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: https://crophysi.ru/123?utm_term=custom+zombie+maps+waw+steam, https://cdn.sqhk.co/pigalixow/qRH45ii/kimivajaza.pdf, https://cdn.sqhk.co/lagazowasobo/fYifyjh/mimanelupup.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9645 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
• ntp.ubuntu.com
• 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
• 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
• http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a153ab24d5e80eddbe279c42343009f5.png - 28ebbf3968dabbcd183c282719503abe0efcd581531c2a7135c4cffbce7545ef
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 0d8d4f83ec44b2e2b01a2a507e143211d94d93066ee1d2afb3369cf236d0e910
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://crophysi.ru/123?utm_term=custom+zombie+maps+waw+steam
• https://cdn.sqhk.co/pigalixow/qRH45ii/kimivajaza.pdf
• https://cdn.sqhk.co/lagazowasobo/fYifyjh/mimanelupup.pdf
• https://s3.amazonaws.com/zetituri/golalazigujigeviliz.pdf
• https://cdn.sqhk.co/jejefudebuxi/KJhfKjf/endgame_meme_song.pdf
• https://cdn.sqhk.co/bijukipuj/ejnkjj8/codashop_using_tm.pdf
• https://cdn.sqhk.co/nukunudakiju/fJolgcy/poughkeepsie_weather_september.pdf
• https://static.s123-cdn-static.com/uploads/4401711/normal_5fde5b23ac058.pdf
• https://s3.amazonaws.com/jadudusujuje/69579449831.pdf
• https://static.s123-cdn-static.com/uploads/4426409/normal_6008dec3b07d2.pdf
• https://cdn.sqhk.co/muvasesuru/ugghgha/51813586553.pdf
• http://vodupuginotipir.rf.gd/dragon_ball_fighterz_combo_spreadsheet.pdf
• https://cdn.sqhk.co/wisivelu/gdjfggc/27435169005.pdf
• https://cdn.sqhk.co/letinumi/2Khbqgj/pakistan_army_wallpaper_4k.pdf
• https://s3.amazonaws.com/jevedijadiki/meme_generator_free_mod_apk.pdf
• https://cdn.sqhk.co/numavagoko/chcgejh/download_cafeland_world_kitchen_mod_apk.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

• crophysi.ru
• cdn.sqhk.co
• s3.amazonaws.com
• static.s123-cdn-static.com
• www.w3.org
• purl.org
• ns.adobe.com
• vodupuginotipir.rf.gd

Embedded IP addresses

• 52.148.114.188
• 135.232.92.137
• 52.168.117.168
• 20.184.175.8
• 172.172.255.218
• 52.123.252.197
• 52.110.12.3
• 20.42.179.204
• 4.230.171.124
• 20.42.73.26
• 20.236.44.162
• 74.178.76.128
• 52.123.128.14
• 203.26.79.13
• 74.178.76.44
• 20.184.175.11

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report