MALICIOUS — 5f66b326062c45b046efc61e37af9a8958196c87e832bf6464ea5d214aff6319
MALICIOUS — 5f66b326062c45b046efc61e37af9a8958196c87e832bf6464ea5d214aff6319 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:
5f66b326062c45b046efc61e37af9a8958196c87e832bf6464ea5d214aff6319 - SHA-1:
33aa8fafa1ba9436d3476033d02238d4d24f3b20 - MD5:
1a4c346e3a3bba94d026148a4e6dbc60 - ssdeep:
1536:Z+Tlc0Fdx+iPulPGYlgo/bU1OyZ15YkmJjN6THb8T4VOWCpOViIWsNMtEa7qVM/a:qzd6Vlg0yZ1LwjN6Db8eVigMCaKy2JF - TLSH:
T11C37B0F32097DE5C764F8B4369B611A5955ED3886132EB90414CB76CC87CABDBF00A12 - Submitted as: 5f66b326062c45b046efc61e37af9a8958196c87e832bf6464ea5d214aff6319
- File type: pdf · Size: 74153 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://rcsiprojectracker.com/userfiles/files/nokatebumunudogadi.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: http://21cedu.com/pds/userfiles/files/wedorurit.pdf, http://kcpsystem.com/userData/board/file/sovufaxoxexovat.pdf, http://nexxosrealty.com/userfiles/files/35204393180.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 (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9602 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._dosvc._tcp.local
- _dosvc._tcp.local
- 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
- 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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\dbc26c6709f06f536d7c1c56eb9161ed.png -
53aa16ebdaeb1694d3b65980e9db63a4112342f34cfbd36aad8fb5281c3e0330 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c1eee41e27b6a4ec5d40d82746d3f1a4e29bd756074e3c8c83aad993d70c4d70 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=elimination+reaction+with+example
- http://21cedu.com/pds/userfiles/files/wedorurit.pdf
- http://kcpsystem.com/userData/board/file/sovufaxoxexovat.pdf
- http://nexxosrealty.com/userfiles/files/35204393180.pdf
- http://1night2daytour.com/ckupload/files/73047383726.pdf
- http://rcsiprojectracker.com/userfiles/files/nokatebumunudogadi.pdf
- https://sledovani2.gpshlidac.cz/www/userfiles/files/66363552849.pdf
- http://susasoft.com/upload/userfiles/files/jogakoluwiwugoz.pdf
- http://efcosmetic.com/uploadfile/files/33939753310.pdf
- https://www.meditech.cz/ckfinder/userfiles/files/5710300289.pdf
- http://sooam.com/files/fckeditor/file/14732511676153850d7d549.pdf
- http://n3ss.ro/ckfinder/userfiles/files/24689394396.pdf
- https://adepotcustom.com/UploadFiles/file/20210902181354163.pdf
- http://iccjsc.com/images/uploads/files/ritavon.pdf
- http://dailyxedayhang.com/userfiles/files/busaxemusuleg.pdf
- https://n-zvuk.ru/upload/file/87678949430.pdf
- https://zooiguana.pl/app/webroot/media/files/xelonowinexabozufit.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ce85bb53c5---9735206352.pdf
- http://alibabashipping.com/userfiles/file/9716533983.pdf
- http://edwindijk.nl/home/edijk/domains/edwindijk.nl/public_html/uploads/file/63845362002.pdf
- http://hasadtemizlik.com/upload/file/tonakozabavetexeronito.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/157d38df5c5d620a8a88f282e3726123/mefojulusuzizagafibapi.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152e47dd176a---30147396002.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- feedproxy.google.com
- 21cedu.com
- kcpsystem.com
- nexxosrealty.com
- 1night2daytour.com
- rcsiprojectracker.com
- susasoft.com
- efcosmetic.com
- sooam.com
- adepotcustom.com
- iccjsc.com
- dailyxedayhang.com
- n-zvuk.ru
- zooiguana.pl
- spazmedia.com
- alibabashipping.com
- edwindijk.nl
- hasadtemizlik.com
- www.popcaffe.it
- www.revistadefiesta.com
- www.w3.org
- purl.org
- ns.adobe.com
- sledovani2.gpshlidac.cz
- www.meditech.cz
Embedded IP addresses
- 20.184.175.2
- 20.42.73.31
- 20.184.175.19
- 57.154.63.210
- 4.150.223.97
- 52.110.12.25
- 4.230.171.124
- 4.144.132.223
- 74.178.240.61
- 20.165.94.54
- 20.112.250.133
- 52.123.128.14
- 135.233.45.222
- 135.232.92.34
- 203.26.79.13
- 52.123.252.212
- 4.209.250.170
- 20.184.175.17
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report