MALICIOUS — kuwegexupoxemab.pdf

MALICIOUS — kuwegexupoxemab.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 94510ed57e800f5efb71f53946fb3408c06e2bcec01206cb5cdc043b535b4584
SHA-1: 95211a7e71a1f77b5c4c09718f874561da6792d2
MD5: 80ac7eb5e20c770f0a16a661f6e29623
ssdeep: 1536:iB9InlwGSWmdZThhav8YVJmXqY1L3AxPIJ6MWxApOGoF5lEW4ftzYaTm:+9IiWmzthav0qY14PIq3GUPsfBYH
TLSH: T13339D1F3716BDE4CB7578B03A1E75065A089E6883122E6904185BB6CC57CAFDBE00E61
Submitted as: kuwegexupoxemab.pdf
File type: pdf · Size: 87762 bytes
Verdict: malicious (98/100)

Detections (4 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
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

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: http://grimastone.ru/files/noneja.pdf - network signal, weight 0.70, confidence 0.80
Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: http://kukdae.com/files/fckeditor/file/64533461892.pdf, http://avvocatogiuliani.it/userfiles/files/44459024622.pdf, http://www.sospapa24.com/lib/ckfinder/imgupload/files/zogupozosixo.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)

9676 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
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
ntp.ubuntu.com
79.243.254.169.in-addr.arpa
255.255.254.169.in-addr.arpa
http://www.msftconnecttest.com/connecttest.txt

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\1be75b79731dda2de299121ff5476c93.png - 2800fc6fa528ec34c733ea71989f62c16d5a0921e0d8a05c59fa4b810806f719
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - db082a1b762750e9e0ca0a74d3c434da02cbe61e9e6db929ce6ca07eedec079f
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=chemisorption+is+a
http://kukdae.com/files/fckeditor/file/64533461892.pdf
http://avvocatogiuliani.it/userfiles/files/44459024622.pdf
http://www.sospapa24.com/lib/ckfinder/imgupload/files/zogupozosixo.pdf
https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/83015600726.pdf
https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f5eb7daf7---togivigoguve.pdf
https://immo-cjeanpaul.lu/userfiles/files/31243774652.pdf
http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8ccd74131---59064897074.pdf
http://grimastone.ru/files/noneja.pdf
https://gulf-rope.com/images/bulk_images/files/zepurukimerixesilenudexu.pdf
http://archbot.pl/files/file/bezotego.pdf
http://bhk-aindling.com/userfiles/files/nusetobawelajomaxepobaf.pdf
http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e8d2ae586---14583074760.pdf
http://haumeaonline.com/userfiles/file/10488037866.pdf
https://fnb-concepts.com/images/uploads/files/pisexemaki.pdf
http://accessprecision.com/userfiles/file/42904517473.pdf
http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9b22227fa---75068603256.pdf
http://chalappuram.com/userfiles/file/kodujitimaferetulitifuno.pdf
https://dhins.com/testingsites/advantage_aviation/assets/media/file/31962465833.pdf
http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/c192971504c8263523e6a2e1b4e508d2/tadik.pdf
http://navigator-nsk.ru/userfiles/file/nesinamunapokedaweli.pdf
https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/mvjuoiv2dgkvbsoo523joo9tqf/bafawujazobofokugiporivi.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/

Embedded domains

feedproxy.google.com
kukdae.com
avvocatogiuliani.it
www.sospapa24.com
nikken-engineer.jp
bowenpainter.com
www.chinahkcarplate.com
grimastone.ru
gulf-rope.com
archbot.pl
bhk-aindling.com
bilagroup.com
haumeaonline.com
fnb-concepts.com
accessprecision.com
jointrilogy.com
chalappuram.com
dhins.com
sip7.online
navigator-nsk.ru
www.w3.org
purl.org
ns.adobe.com
immo-cjeanpaul.lu
sketchup360.vn

Embedded IP addresses

20.165.94.63
4.150.223.97
162.159.142.9
52.110.12.4
4.230.171.124
135.233.95.80
72.154.7.106
203.26.79.13
74.179.77.204
135.232.92.97
20.184.175.20
40.104.4.2
52.123.128.14
40.99.134.18
92.223.78.30
52.168.117.169
48.199.12.1
52.148.114.188
74.179.71.159

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report