MALICIOUS — 2d94827c8b6593e2037c5a18943456d15460d3a69c70c26261844b7e634edb8b

MALICIOUS — 2d94827c8b6593e2037c5a18943456d15460d3a69c70c26261844b7e634edb8b is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 2d94827c8b6593e2037c5a18943456d15460d3a69c70c26261844b7e634edb8b
SHA-1: 2bd22d9f17d53b3972ecacbf79f83220423b4fbb
MD5: 6888dfe26b0f39b387a4e387037addcc
ssdeep: 1536:D9qgcK+44medjbHDQN2TYq1mkOVmyNN0Z92HWQpOCoWI9SVhTHeSBL9QI:Rqg1+44mMDQwT/1mHVxN82yC49SzHBB1
TLSH: T15238C0E352A7DDCC775A9F5367EB209C614BE3482122EB604588F56CC17CA7FBA00A11
Submitted as: 2d94827c8b6593e2037c5a18943456d15460d3a69c70c26261844b7e634edb8b
File type: pdf · Size: 81700 bytes
Verdict: malicious (98/100)

Detections (4 of 54 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 98/100 is the fusion of 9 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
Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: https://boyanbolyarski.com/userfiles/file/muzasonibiverakusalarek.pdf, https://laptopserwis.com/app/webroot/media/files/43252936511.pdf, http://www.psoealora.es/ckfinder/userfiles/files/fopirelinevubalumogejufi.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
Contacted 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

938 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788048393&P2=404&P3=2&P4=C9utnVb5frul2nLJm0GZ6GVCyuI6hKMEMLIMtJ8wYoGA3ObIXZkudgSuuJPgP5XavPbynqN0M8B8MHGJTeV3Wg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
23.40.52.209
23.11.37.157
20.190.142.165
52.123.252.194 AU · Sydney · AS8075 Microsoft Corporation
23.33.238.135
52.110.12.30 AU · Sydney · AS8075 Microsoft Corporation
4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
23.33.238.171
192.168.122.108
104.46.162.231 AU · Melbourne · AS8075 Microsoft Corporation

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

http://feedproxy.google.com/~r/Xvkpad/~3/23D8k0Ec_6w/uplcv?utm_term=stage+before+butterfly
https://boyanbolyarski.com/userfiles/file/muzasonibiverakusalarek.pdf
https://laptopserwis.com/app/webroot/media/files/43252936511.pdf
http://www.psoealora.es/ckfinder/userfiles/files/fopirelinevubalumogejufi.pdf
https://geneticapanama.com/userfiles/file/nojenoxakizuzamutorobudos.pdf
http://baodieptailor.com/uploads/2021-09-28/images/files/senipevaxamimawiz.pdf
https://indicaperu.com/userfiles/file/kunumotekunaxesa.pdf
https://netlandschool.cl/files/3177932701.pdf
http://centromp.it/userfiles/files/28248605075.pdf
http://riccaassociati.eu/userfiles/files/matasewajagoz.pdf
https://shieldtech.cz/ckfinder/userfiles/files/61080113639.pdf
http://dongamold.com/fckeditor/upload_files/file/fedilelitoximegiwit.pdf
https://everywheregenes.com/uploadfile/qu26_qu106_com/files/simalenekomewasuwire.pdf
http://poptheme.cn/uploadfile/files/20211007_131910.pdf
http://fu-xin.tw/uploads/files/202109050651201707.pdf
http://uro-medical.pl/zdjecia/fotki/file/31346622150.pdf
http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/6457599043.pdf
http://cplust.com/upload/serback/files/20210923225534.pdf
http://macabrey-luthier.fr/data/Files/74692571496.pdf
https://gdwtechnology.com/fckeditor/file/
http://kup-vino.cz/web/ckfinder/userfiles/files/kasefinax.pdf
http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161494507072b0---49809924160.pdf
https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/fb8439a1738043dd6071cd98e8b4f59b/walulurilo.pdf
http://barefoot.pl/userfiles/file/56534757593.pdf
http://gerastar.com/userfiles/file/teporigagawig.pdf

Embedded domains

feedproxy.google.com
boyanbolyarski.com
laptopserwis.com
www.psoealora.es
geneticapanama.com
baodieptailor.com
indicaperu.com
centromp.it
riccaassociati.eu
dongamold.com
everywheregenes.com
poptheme.cn
fu-xin.tw
uro-medical.pl
ipmarketing.net
cplust.com
macabrey-luthier.fr
gdwtechnology.com
www.champcaregivers.com
doitsolutions.co
barefoot.pl
gerastar.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

52.123.252.194
52.110.12.30
4.230.171.124
104.46.162.231
135.233.95.144
20.247.185.124
74.178.240.61
72.153.5.141
203.26.79.13
52.123.252.202

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report