MALICIOUS — 63737661386.pdf

MALICIOUS — 63737661386.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: 6e307d647a217c47413ca8b76062e017bd75dffffd0af4325fb2e0178f21c0e8
• SHA-1: 0ed436d64790d3587d26d315fc943f965efeaefd
• MD5: 324b9cdc5c0f2640dd060100025ea56b
• ssdeep: 1536:1GFYoU2vZuWKjik5AWz2Ao8ofDl9ezxYeVHdt:IFYobuWLk5p2/Z9e91VP
• TLSH: T1EF36CFF751DBEC8C7A8B6F07ADE60085A44ED38A603796A049C97B3CC8BC5AD5F00650
• Submitted as: 63737661386.pdf
• File type: pdf · Size: 64535 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: 5 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3136) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
• Contacted 16 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/8ada6aa3-4da4-45ad-9fbd-2ee6a819173d/losibekanuxe.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://cctraff.ru/strik?keyword=mr+crack+habibie+pdf, https://uploads.strikinglycdn.com/files/8ada6aa3-4da4-45ad-9fbd-2ee6a819173d/losibekanuxe.pdf, https://uploads.strikinglycdn.com/files/060af316-d565-4800-b9b7-2ac60462a46f/nafosafekakibav.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9721 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
• 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
• desktop-hsgcbep
• 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\SumatraPDF-settings.txt - 752e5de2761fb9dbbce8350ab2f8ffb6f504e744fefbfbb63facdecf5b21baaf
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\3e6fcbab3fa272ee21dc6c67c2c6123f.png - 94d1a09e221622503d50c8ed9d0be382c78aca860e778f7bd8241373117e2899
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://cctraff.ru/strik?keyword=mr+crack+habibie+pdf
• https://uploads.strikinglycdn.com/files/8ada6aa3-4da4-45ad-9fbd-2ee6a819173d/losibekanuxe.pdf
• https://uploads.strikinglycdn.com/files/060af316-d565-4800-b9b7-2ac60462a46f/nafosafekakibav.pdf
• https://uploads.strikinglycdn.com/files/b93e5c23-125c-4002-91da-005a369fa1fb/10127281260.pdf
• https://uploads.strikinglycdn.com/files/7efb80ea-cc87-42b9-af49-08e2dbea7331/40927489926.pdf
• http://vilex.doggiestyles.net/uploads/1/3/1/4/131454859/13483b2.pdf
• http://files.shcsublimation.com/uploads/1/3/1/3/131382841/23126471afa.pdf
• http://files.blog.deansoiltrek.com/uploads/1/3/1/0/131071137/9730103.pdf
• http://files.artofmccabe.com/uploads/1/3/1/3/131398184/b848acd4250be1.pdf
• http://files.breathewithlauren.com/uploads/1/3/1/4/131437351/424db3.pdf
• http://muzuwoz.mondaydesignstudio.com/uploads/1/3/0/7/130775478/tujixitogisureb-mokukozagezos.pdf
• http://dosulike.ciaranjohn.com/uploads/1/3/1/8/131856669/f97d91a124908.pdf
• http://zarodepu.benro-racing.com/uploads/1/3/1/4/131406379/1056084.pdf
• http://rizid.pilatesbyvds.com.au/uploads/1/3/1/6/131607254/losajisup.pdf
• http://files.baddogsales.org/uploads/1/3/1/3/131383305/8aa8a5b48a60.pdf
• http://satuz.usafa70.com/uploads/1/3/1/3/131384424/666d77777c9ef.pdf
• http://ruzubiba.englandsparktennis.com/uploads/1/3/0/8/130873848/waminuwetugiber.pdf
• http://kituxozot.mybodyofknowledge.net/uploads/1/3/1/3/131379737/bd890333.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

• cctraff.ru
• uploads.strikinglycdn.com
• vilex.doggiestyles.net
• files.shcsublimation.com
• files.blog.deansoiltrek.com
• files.artofmccabe.com
• files.breathewithlauren.com
• muzuwoz.mondaydesignstudio.com
• dosulike.ciaranjohn.com
• zarodepu.benro-racing.com
• rizid.pilatesbyvds.com.au
• files.baddogsales.org
• satuz.usafa70.com
• ruzubiba.englandsparktennis.com
• kituxozot.mybodyofknowledge.net
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 20.50.201.204
• 52.123.252.248
• 52.110.12.46
• 4.247.188.224
• 4.230.171.124
• 52.123.252.212
• 72.154.7.109
• 203.26.79.13
• 135.232.92.137
• 74.178.76.128
• 52.123.129.14
• 135.233.45.223
• 20.42.65.94
• 74.178.76.44
• 20.42.65.88
• 48.200.63.27

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report