MALICIOUS — 843d164df3afd56cbca87a52ed2addeb115438874be0668e1aaecd214d608ecc

MALICIOUS — 843d164df3afd56cbca87a52ed2addeb115438874be0668e1aaecd214d608ecc 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: 843d164df3afd56cbca87a52ed2addeb115438874be0668e1aaecd214d608ecc
SHA-1: fba477e301c3584b94933e317add79917a7b03e3
MD5: ed79dc796c1ca4d52cc11b6973d905b2
ssdeep: 1536:bUa7edCnkm4UtJ7agtTxjehuVYXzAbWlnmnfSxpT7YiWQpOCzOi:ocZnktUjaaTxShuKzA2PTT7YFC7
TLSH: T14538CFF760A7DD5CB35BDF0329A72158718BE2D82232DA9040C8A76CD47C5BEAF40A51
Submitted as: 843d164df3afd56cbca87a52ed2addeb115438874be0668e1aaecd214d608ecc
File type: pdf · Size: 80259 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://www.ximangsongthao.com.vn/app/webroot/uploads/files/nuxejok.pdf - network signal, weight 0.70, confidence 0.80
Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://yesilkoyluleriz.biz/resimler/files/xuganuvulugusutisabekod.pdf, http://lollanaclinic.com/image/upload/File/38753592251.pdf, http://barahi.com/assets/userfiles/files/nodanedaraxakuxam.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)

9615 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
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
ntp.ubuntu.com
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\SumatraPDF-settings.txt - faa2054869f2a513901d285602468052ca334e965d2f6ec84f558d5407fab24f
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c43f8ddde8d5f7ca7ad2c202f28867ad.png - 1ba4730aeba094f7730debe6e1a4641727d480fe3b681d0c7daf5056630f1cb2
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=injunction+in+administrative+law
https://yesilkoyluleriz.biz/resimler/files/xuganuvulugusutisabekod.pdf
http://lollanaclinic.com/image/upload/File/38753592251.pdf
http://barahi.com/assets/userfiles/files/nodanedaraxakuxam.pdf
http://homelife-superstars.com/image/files/38134429311.pdf
http://ivankotov.ru/img/lib/file/74743611153.pdf
http://files.ibiza-ferien.de/file/zamire.pdf
http://studiogiamberardino.it/userfiles/files/wadujilalilisi.pdf
http://dakmet.pl/upload/jarozoxeviwo.pdf
http://pk-rowery.pl/user_pict/file/7894382577.pdf
http://www.ximangsongthao.com.vn/app/webroot/uploads/files/nuxejok.pdf
https://www.agcontraincendios.es/ckfinder/userfiles/files/bebove.pdf
https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/2e4fc95d5d88e55623dde10c19ea0ba2/39846790141.pdf
http://racecross.com/upload/edito_fckeditor/file/lodewiziw.pdf
http://swaptoys.org/ckeditor/uploads/files/51669109534.pdf
http://jar-ted.pl/file/dofuguwuxubebofep.pdf
http://lpxs168.com/filespath/files/20210911175659.pdf
http://okvin.org/userfiles/file/65684598131.pdf
https://marikakozmetika.hu/editor_up/99385030693.pdf
https://newegys.egyseg.eu/ckfinder/userfiles/files/98558600937.pdf
http://heathrowairporttaxi.website/userfiles/file/jivijokuniseliwubipapi.pdf
https://www.aspart.ro/ckfinder/userfiles/files/99819387417.pdf
http://tsnpharma.com/upload/files/14874535176.pdf
http://kalmi.ru/upfiles/files/netugap.pdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#

Embedded domains

feedproxy.google.com
yesilkoyluleriz.biz
lollanaclinic.com
barahi.com
homelife-superstars.com
ivankotov.ru
files.ibiza-ferien.de
studiogiamberardino.it
dakmet.pl
pk-rowery.pl
www.agcontraincendios.es
sipsib.ru
racecross.com
swaptoys.org
jar-ted.pl
lpxs168.com
okvin.org
newegys.egyseg.eu
tsnpharma.com
kalmi.ru
www.w3.org
purl.org
ns.adobe.com
www.ximangsongthao.com.vn
marikakozmetika.hu

Embedded IP addresses

4.150.223.111
172.66.2.5
20.42.65.90
52.110.12.14
40.84.97.4
4.230.171.124
52.230.60.54
135.232.92.137
4.150.223.104
135.233.95.144
52.123.128.14
40.99.133.242
20.42.179.192
52.123.252.244
72.154.7.100
203.26.79.13
4.150.223.114
172.178.240.163

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report