MALICIOUS — b57c8ca3bf674dceadc0c25d7c5e7d8fa3e035628f490fb2d05cff04d105b974
MALICIOUS — b57c8ca3bf674dceadc0c25d7c5e7d8fa3e035628f490fb2d05cff04d105b974 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b57c8ca3bf674dceadc0c25d7c5e7d8fa3e035628f490fb2d05cff04d105b974 - SHA-1:
3ff521501e783849aec6a2e0f92b462cd8e52eaf - MD5:
4dcfbf88a7e80280075dded16fcd1834 - ssdeep:
1536:VqS5lVvNJnLhJFzR4628Ck2XwcpiK67+9WypOlWWxitor3h5N4Bn:s4n9R462hk2Xv67+GlD0o7h5NS - TLSH:
T1AF38D1F7309BCD9C73474B435DFB12A99289E38822A196A04084BA6CD47CABDBF14D51 - Submitted as: b57c8ca3bf674dceadc0c25d7c5e7d8fa3e035628f490fb2d05cff04d105b974
- File type: pdf · Size: 81063 bytes
- Verdict: malicious (100/100)
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
Why this verdict
The malicious score of 100/100 is the fusion of 10 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://cuboni.com/uploadfile/hong202110081758522720.pdf - network signal, weight 0.70, confidence 0.80
- 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 - Contacted 16 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://barsugo.com/ckfinder/userfiles/files/sakezikuwazuwenirutivinuf.pdf, https://iva-vietnam.com/userfiles/file/vowozifonubepabokirosumab.pdf, https://www.sacict.or.th/ckfinder/userfiles/files/betikonipa.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)
946 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ntp.ubuntu.com
- _dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=can+bad+engine+mounts+cause+rough+idle
- http://barsugo.com/ckfinder/userfiles/files/sakezikuwazuwenirutivinuf.pdf
- https://iva-vietnam.com/userfiles/file/vowozifonubepabokirosumab.pdf
- https://www.sacict.or.th/ckfinder/userfiles/files/betikonipa.pdf
- http://klimagra.pl/images/wysiwyg_img/file/92332470237.pdf
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/kuxoz.pdf
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/kesiwebixo.pdf
- http://biosystech.com/pdsFck/file/82109146341.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615d0737a09cf---fixunilo.pdf
- https://minhgianggroup.vn/upload/files/donawalege.pdf
- http://cuboni.com/uploadfile/hong202110081758522720.pdf
- http://eminenceinc.com/userfiles/file/63007731190.pdf
- http://fine-cottage.ru/userfiles/files/82327299947.pdf
- http://klemanpince.hu/files/file/xilagij.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9c016348b---vovajufepogufo.pdf
- http://www.icf-plant.com/files/file/tazipabatawogajupofoj.pdf
- https://jajugroup.com/ckfinder/userfiles/files/49520129861.pdf
- http://lmtechsolution.com/userfiles/38869425875.pdf
- https://0924055971.com/uploads/files/202110040223333062.pdf
- http://onelove.cz/file/nemufurum.pdf
- https://drddvichitra.com/userfiles/file/dadukaxenox.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
Embedded domains
- feedproxy.google.com
- barsugo.com
- iva-vietnam.com
- klimagra.pl
- vietnamairlinescorp.org
- www.optimizecost.com
- biosystech.com
- fatheragneliti.com
- cuboni.com
- eminenceinc.com
- fine-cottage.ru
- averon.ca
- www.icf-plant.com
- jajugroup.com
- lmtechsolution.com
- 0924055971.com
- drddvichitra.com
- www.w3.org
- purl.org
- ns.adobe.com
- www.sacict.or.th
- minhgianggroup.vn
- klemanpince.hu
- onelove.cz
- x2.c.lencr.org
Embedded IP addresses
- 172.215.188.232
- 57.155.101.212
- 4.247.188.224
- 48.211.4.16
- 203.26.79.13
- 72.145.35.96
- 4.150.223.98
- 52.123.252.227
- 52.110.12.54
- 4.230.171.124
- 20.247.185.124
- 74.178.240.51
- 135.232.92.137
- 52.123.252.244
- 104.18.33.89
- 72.145.35.110
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report