MALICIOUS — 1b39dca56263abe31c81d57c1fdbdb579a5171a5bc4c9664513c7e2b5434a503
MALICIOUS — 1b39dca56263abe31c81d57c1fdbdb579a5171a5bc4c9664513c7e2b5434a503 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:
1b39dca56263abe31c81d57c1fdbdb579a5171a5bc4c9664513c7e2b5434a503 - SHA-1:
e2fa78db0c5122882e5c80c0f23261e43b844147 - MD5:
8ec8e5a0f182c0eaeaac45c4ffb1780c - ssdeep:
1536:6IlR1zI99r+VXv7DPFERlx9VjezYJW7AgqoxZHPPzW69selJBBWcpOmj/A:NzI99KB9ERlxDjiYJW7AgDPHaedYm0 - TLSH:
T1D638CFF320A3ED1C774B9B4369FA219D608BF6C875A2D6505088B76C857C9BD2F05A80 - Submitted as: 1b39dca56263abe31c81d57c1fdbdb579a5171a5bc4c9664513c7e2b5434a503
- File type: pdf · Size: 83933 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://papianiarch.it/userfiles/files/73599873342.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://crysiq.ru/uplcv?utm_term=full+kali+linux+on+android, http://bjerkelunden.org/content/files/userfiles/file///rejenogituzakitofokugefaj.pdf, http://bluecreator.biz/ckfinder/userfiles/files/13349519533.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)
9808 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
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787838959&P2=404&P3=2&P4=c%2boxYvbPAjo8kHLhZWe%2bZFHLaoRywPtSI44LQ50czWCqO2vNKAc%2fMmnTs6DdN8q3PHlpWEKtZTnuoaLVFgiEHQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787839027&P2=404&P3=2&P4=as2J8MuP1GQU%2fr8y921o4rY3r%2bscyOJn6MV5VR6LUhc4Ajf9enVBfRtkw4W6mc1iOBHaWfG8bGkE9DTXtja29Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787235771&P2=404&P3=2&P4=dukipanxpJaax363VVBGLqc08uiA0wg%2fyPC8dX0f7dDWq%2fbxge37guzaRF3vXmPYpQRRRQi5uhkCySovzldBsQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a80e10e40cbf1e57c4f50e31186d6ffd04adf6cedddb4c4fd046e8a4fd444050 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\742c2d98e2babbde319a3f3d4cccb904.png -
f2b15291b663b1cc2a5a26d82d7c1cb340666c7786fbdd5dddc47a778a8482f1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://crysiq.ru/uplcv?utm_term=full+kali+linux+on+android
- http://bjerkelunden.org/content/files/userfiles/file///rejenogituzakitofokugefaj.pdf
- http://bluecreator.biz/ckfinder/userfiles/files/13349519533.pdf
- https://vicareyou.com/userfiles/file/80288277239.pdf
- https://nsck-cykelmotion.dk/ckfinder/userfiles/files/jinuzobumefa.pdf
- http://papianiarch.it/userfiles/files/73599873342.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/57c9ff1f0c950b97971a66c88765196f/57444754531.pdf
- http://liccuza.ro/stiri_files/file/67252365221.pdf
- https://loyalangkorapartment.com/userfiles/file/zomasuzuzotivepem.pdf
- http://siddharpeedam.org/userfiles/file/
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a13a7e6c7---borixagifafoxugogan.pdf
- https://asmitahrgroup.com/ckfinder/userfiles/files/14877241996.pdf
- https://glycocalyx.nl/userfiles/image/file/pazirefuronotomaj.pdf
- http://tourister.kr/userfiles/file/fekoxujivano.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130440c8d617---sokokefikejorizelapuko.pdf
- https://doanhnghiepvietnam.org/img_duhoc/files/79457069122.pdf
- http://www.specemc.ru/upload/files/12925504305.pdf
- http://miryangpension.com/FileData/ckfinder/files/20210907_259DE7D1CA81C1A3.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f9db8aae2---jukilajimara.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/2dd56d28c19c76682389d5f81141946c/56831034467.pdf
- http://wojno-stal.pl/pliki/file/rafasega.pdf
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/53453514195.pdf
- http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/tevazisiludokilevogav.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138df149344d---3817492143.pdf
- http://hyundaidongdo3s.com/images/files/xubadasutezuwot.pdf
Embedded domains
- crysiq.ru
- bjerkelunden.org
- bluecreator.biz
- vicareyou.com
- papianiarch.it
- jdbailbonds.com
- loyalangkorapartment.com
- siddharpeedam.org
- www.sacproblemleri.com
- asmitahrgroup.com
- glycocalyx.nl
- tourister.kr
- nam.it
- doanhnghiepvietnam.org
- www.specemc.ru
- miryangpension.com
- www.radioemka.com
- gresathouse.com
- wojno-stal.pl
- www.enjoyvaltellina.it
- uniondeautoescuelas.com
- hyundaidongdo3s.com
- warungmimpishio2.com
- www.w3.org
- purl.org
Embedded IP addresses
- 4.150.223.105
- 52.123.252.226
- 85.210.196.11
- 52.110.12.19
- 4.230.171.124
- 4.144.132.223
- 74.178.240.61
- 20.165.94.54
- 20.76.201.171
- 135.233.95.144
- 52.123.128.14
- 40.99.134.18
- 20.42.65.91
- 203.26.79.13
- 92.223.78.30
- 74.178.76.44
- 52.182.143.212
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report