MALICIOUS — f3bbb22351d713ecb435a9ccbd05319c50451782eb171861b7b16eb2058d212f

MALICIOUS — f3bbb22351d713ecb435a9ccbd05319c50451782eb171861b7b16eb2058d212f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: f3bbb22351d713ecb435a9ccbd05319c50451782eb171861b7b16eb2058d212f
SHA-1: 047b24142f3d90b5c52d03d6013662d960f66874
MD5: 8865d27c9935bc6c9a904ea24576b66c
ssdeep: 1536:9gsi7As/vy3EeyUSs/8qdY8HtnvxyYPPWkNpOPFWIHbYF/g5LBYXEyYXsIKWPwhg:m1Hy0eyUSs/LdbnvxyhPVYFIlBYXDY8k
TLSH: T14839D1F32153DD8C77CA9F83B9A71269B049D2993161DBA040C86FAC8A7C1BD7F18650
Submitted as: f3bbb22351d713ecb435a9ccbd05319c50451782eb171861b7b16eb2058d212f
File type: pdf · Size: 88883 bytes
Verdict: malicious (95/100)

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

T1105

Why this verdict

The malicious score of 95/100 is the fusion of 6 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
Contacted 11 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://vmwarts.com/ecovic/file/49902042407.pdf, http://jevades.com/aircraft/fckimages/file/wojujulake.pdf, https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614156490eab8---43347018732.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)

9637 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
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
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787934358&P2=404&P3=2&P4=c11Jv7e5KTOzmWwlLt9oVbAMqdjSVyIvNl68bK2gYQfwr6o93RSYUgdySnNfUBDEyh9mx6eoAQvYam8jOErGzA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c04f5ee180023dac544a2e114f9d3274.png - 5ed7f1f2577ec0095cef580bd92731113a113545cf455f234e49596666e27cbc
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - ecf5d4e4bae0ff31f027fedaa4880f04609b03bbe8d9e3f41014db0cf9350cb8
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=juegos+raros+para+android
https://vmwarts.com/ecovic/file/49902042407.pdf
http://jevades.com/aircraft/fckimages/file/wojujulake.pdf
https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614156490eab8---43347018732.pdf
http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/9449892927.pdf
http://www.pibmg.com.br/ckfinder/userfiles/files/files/pixezitipojunogoribe.pdf
http://cungcapbaoduongcuanhatban.com/upload/files/22229575183.pdf
http://xn--z92bzy85x.com/userData/board/file/83345926241.pdf
https://tdemo.order-pro.com/ckfinder/userfiles/files/mubajud.pdf
http://aliceinformaticasrl.com/user/pages/59921446973.pdf
http://21cedu.com/pds/userfiles/files/34846905681.pdf
http://shardamedicalstore.com/singhania/downloads/file/mutevizulaze.pdf
https://proxkimya.com/resimler/files/rinurumamuguz.pdf
https://rcvizovice.cz/ckfinder/userfiles/files/fukijumobewum.pdf
http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16132b5cfc0169---vowagejoganadukowevus.pdf
http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53650103184.pdf
http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161303fc138cf1---19833038254.pdf
http://silarperu.com/UserFiles/file/24915969640.pdf
https://businesslife.com/content/file/23004630234.pdf
http://datavincity.com/uploads/ckfinder/files/29738731933.pdf
https://radio-aurea.eu/files/file/1097110756.pdf
http://195exim.com/datas/files/22931486280.pdf
http://hart-metale.pl/gimnazjum/userfiles/file/67989876774.pdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
http://purl.org/dc/elements/1.1/

Embedded domains

feedproxy.google.com
vmwarts.com
jevades.com
www.ernakulamarchdiocese.org
www.pibmg.com.br
cungcapbaoduongcuanhatban.com
xn--z92bzy85x.com
tdemo.order-pro.com
aliceinformaticasrl.com
21cedu.com
shardamedicalstore.com
proxkimya.com
www.lbf-cosmetics.com
phyllisrubensteinlaw.com
mgmkt.com.br
silarperu.com
businesslife.com
datavincity.com
radio-aurea.eu
195exim.com
hart-metale.pl
www.w3.org
purl.org
ns.adobe.com
inchirierielicopter.ro

Embedded IP addresses

51.132.193.104
52.253.84.76
20.42.179.204
4.230.171.124
135.233.95.144
72.153.5.140
203.26.79.13
52.123.128.14
20.42.73.30
20.52.64.201
52.168.117.169

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report