MALICIOUS — d850b156067a067b6813dfd520a644c931f62ff729fe34c6ba877b918a063d6d

MALICIOUS — d850b156067a067b6813dfd520a644c931f62ff729fe34c6ba877b918a063d6d 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: d850b156067a067b6813dfd520a644c931f62ff729fe34c6ba877b918a063d6d
SHA-1: 0fbd4d88b9e792f5258101c076c63c3220152583
MD5: 81997ed61f6d3d3bf976c4637efdd7b3
ssdeep: 1536:Ftbvc33KXhOthqVXFjyrQIAua6yUNW6DHcScCa7clak5LZrT2WspO2xGk:fDS3VqFFjjuzyacnC9lak5ZrTV2/
TLSH: T16837BFF72197DE4CB7878B4378F6125C915AE7882262EAD04088BA7CD5BC17E7F00A41
Submitted as: d850b156067a067b6813dfd520a644c931f62ff729fe34c6ba877b918a063d6d
File type: pdf · Size: 72564 bytes
Verdict: malicious (98/100)

Detections (4 of 53 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
Embedded link rated malicious by URL analysis: http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffaf8d2ad7---dexipigutudilobemebu.pdf - network signal, weight 0.70, confidence 0.80
Contacted 11 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://pistant.ru/uplcv?utm_term=love+quotes+hugot+lines+tagalog, http://hoachattn.com/image/files/8138382622.pdf, http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614118091c0bb---bipowalid.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9657 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
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
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
http://rb.symcb.com/rb.crl

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - b38172ef0ec3ff5131fd313bd2f6fae884c3e0f38c633ef098a8a2fc58745e87
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\09ac5524fa902d70af9b19ec0780db5c.png - 3bc97feeb92bd3e6e98e54790eb62ad7efebd2dbb8d4f276b7faf1f0d9850023
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://pistant.ru/uplcv?utm_term=love+quotes+hugot+lines+tagalog
http://hoachattn.com/image/files/8138382622.pdf
http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614118091c0bb---bipowalid.pdf
https://almuhja.com/ckfinder/userfiles/files/fijinajatijijuzarew.pdf
https://xcheck.vn/uploads/userfiles/file/tilusemijowanawomogisoz.pdf
http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffaf8d2ad7---dexipigutudilobemebu.pdf
http://ilsungwarehouse.com/userData/ebizro_board/file/tisusujiginufi.pdf
http://www.rpv-drachten.nl/files/file/juwipanegewuwujeponamu.pdf
https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f7eb11342---43194604843.pdf
http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/82368848839.pdf
https://2-view.org/home/view/public_html/ckfinder/userfiles/files/zunikinupuzojudubakeno.pdf
https://777mto.com/contents/files/62482963010.pdf
http://meteoratourismactivities.com/files/files/tefasedagazidalesan.pdf
https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614e2206b6ad4---jemapapo.pdf
http://cs-web-design.de/ablage/userfiles/files/saxotig.pdf
http://bluebirdcanada.com/FileData/ckfinder/files/20210903_6E077AFE37272156.pdf
http://studiorumeo.it/userfiles/files/75614183745.pdf
http://soncongnghiepjotun.com/media/ftp/file/sexopisesego.pdf
https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/gesutobiba.pdf
http://uts.edu.co/portal/app/ckfinder/userfiles/files/pegevuvirawetuge.pdf
http://mispuntossaga.com/campannas/file/nabanu.pdf
http://skybuildinfraprojects.com/uploads/lilorove.pdf
http://keletunderground.hu/images/uploaded_pics/file/kizogurofezi.pdf
http://peneleos.pl/userfiles/file/35666275504.pdf
http://yibetter.com/data/files/rupulude.pdf

Embedded domains

pistant.ru
hoachattn.com
www.1000ena.com
almuhja.com
www.dnevi-sekretarjev.eu
ilsungwarehouse.com
www.rpv-drachten.nl
totalyoumovement.com
2-view.org
777mto.com
meteoratourismactivities.com
earthchartercities.org
cs-web-design.de
bluebirdcanada.com
studiorumeo.it
soncongnghiepjotun.com
www.shamshabaddiocese.org
uts.edu.co
mispuntossaga.com
skybuildinfraprojects.com
peneleos.pl
yibetter.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

72.154.7.17
52.110.12.30
85.210.196.11
4.230.171.124
74.179.77.204
4.207.44.77
20.112.250.133
52.123.128.14
52.168.117.169
72.153.5.133
203.26.79.13

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report