MALICIOUS — ef3d4ef040047a656b4f9efcb97040391cba3745477f5272bf56e2063bc16ab0
MALICIOUS — ef3d4ef040047a656b4f9efcb97040391cba3745477f5272bf56e2063bc16ab0 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
ef3d4ef040047a656b4f9efcb97040391cba3745477f5272bf56e2063bc16ab0 - SHA-1:
f1fd8b358197edd047bc2f29a90decd15d3792cb - MD5:
f5e06010ad2d8856ce8562e6c52355ac - ssdeep:
1536:jdVAvO6oFsNTqczKQqkg5a2g+eacEwpzS+cgIIJk6WOzgwZ9lLyPWspO2tBv:gomN2BQqkYtveacS+cgzkAzgwxyS2r - TLSH:
T16038CFF361E7DD5C3B9B8F0369AB22586186E6486372D7A044C4A76CC07C9BEBF10611 - Submitted as: ef3d4ef040047a656b4f9efcb97040391cba3745477f5272bf56e2063bc16ab0
- File type: pdf · Size: 83388 bytes
- Verdict: malicious (99/100)
Detections (4 of 54 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 99/100 is the fusion of 9 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 - 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 8 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: https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/84582129919.pdf, http://makassitools.com/userfiles/file///61896688736.pdf, https://volandovia.it/public/fileeditor/file/lekozegel.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)
965 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
- 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/
- 23.40.52.209
- 23.11.37.157
- 20.190.142.163
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=ffxiv+coral+butterfly
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/84582129919.pdf
- http://makassitools.com/userfiles/file///61896688736.pdf
- https://volandovia.it/public/fileeditor/file/lekozegel.pdf
- https://trinityautorepairs.com/uploads/files/jobija.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/b3cd045fac75464589a63fef0716619f/75689467832.pdf
- https://toolsatool.com/userfiles/files/73826985534.pdf
- https://vsetinrally.cz/userfiles/file/bepukajaxomuwixowe.pdf
- http://cuanhomkinhtoanthang.com/media/file/rijiv.pdf
- http://ranjitabiswas.com/userfiles/files/78351496567.pdf
- https://vos-web.nl/userfiles/file/gisigezifumupogofupatife.pdf
- https://callmarkinvestments.com/callmark/files/xebabovolopazovek.pdf
- http://pappteam.hu/userfiles/file/mevewisuf.pdf
- https://happyfun.tw/uploads/files/202109220505153654.pdf
- http://lidaoxc.com/upload/files/23855437418.pdf
- http://cathyourhair.nl/js/ckfinder/userfiles/files/79819738964.pdf
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/4765819665.pdf
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/13634436460.pdf
- http://gonzagafood.com/userfiles/files/radimosujuvofamamanavibu.pdf
- http://quesnelfoundation.ca/userfiles/file/56880631146.pdf
- http://glttek.com/userfiles/file/75016054562.pdf
- http://beijingxinzhi.com/userfiles/file/20210903100555_1816529891.pdf
- http://tikatalog.sk/_files/file/vokorutop.pdf
- http://www.weilandensemble.nl/ckfinder/userfiles/files/nifuvinogerozo.pdf
- http://tourgrodno.by/images/content/file/46509268035.pdf
Embedded domains
- feedproxy.google.com
- aukshanya.promosing.com
- makassitools.com
- volandovia.it
- trinityautorepairs.com
- www.alongsideasia.com
- toolsatool.com
- cuanhomkinhtoanthang.com
- ranjitabiswas.com
- vos-web.nl
- callmarkinvestments.com
- happyfun.tw
- lidaoxc.com
- cathyourhair.nl
- designmaster.in
- trendstyleimage.com
- gonzagafood.com
- quesnelfoundation.ca
- glttek.com
- beijingxinzhi.com
- www.weilandensemble.nl
- www.w3.org
- purl.org
- ns.adobe.com
- vsetinrally.cz
Embedded IP addresses
- 20.184.175.6
- 72.153.5.137
- 72.145.35.103
- 57.155.101.212
- 52.110.12.10
- 4.230.171.124
- 4.150.223.109
- 72.153.5.140
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report