MALICIOUS — bb28a7ecd6532c4dd7a6b868aa688d03fbb127d3433a76619e0479286fa7512b
MALICIOUS — bb28a7ecd6532c4dd7a6b868aa688d03fbb127d3433a76619e0479286fa7512b 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:
bb28a7ecd6532c4dd7a6b868aa688d03fbb127d3433a76619e0479286fa7512b - SHA-1:
b8d7b075d1b577db0e59b3842d799d2ecdbc3a76 - MD5:
a592b9c450d95fe002e338dee073b616 - ssdeep:
1536:LMfnh0LvKL7rpg2JTuN2qvEKi3feVnHXENWkNpOPbNJWJWJtNThNkBN7Dy:+KzK5JTuUq5i2HVPbNJW6hNkBNi - TLSH:
T15038D0F725D7CD8C7B62CB0769EB026C7086E7882126E950458CB6BCA9BC9BC3F04450 - Submitted as: bb28a7ecd6532c4dd7a6b868aa688d03fbb127d3433a76619e0479286fa7512b
- File type: pdf · Size: 82475 bytes
- Verdict: malicious (99/100)
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 99/100 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 - Contacted 19 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://aaronandanthony.com/userfiles/files/31162427295.pdf, http://jyjwqj.com/uploadfile/file///2021090413212781.pdf, https://foodexgida.com/uploads/files/41901038329.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)
1084 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/
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- 23.40.52.85
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=quadratic+parent+function+calculator
- http://aaronandanthony.com/userfiles/files/31162427295.pdf
- http://jyjwqj.com/uploadfile/file///2021090413212781.pdf
- https://foodexgida.com/uploads/files/41901038329.pdf
- https://psychologgia.pl/Upload/file/62289115548.pdf
- http://monarchiaerembolt.hu/tmp/71777517224.pdf
- http://s292376414.onlinehome.fr/datas/imgmail/file/nidesavolesarox.pdf
- http://www.saletime.gr/admin/fckfiles/file/98835936788.pdf
- http://kondicionery-domodedovo.ru/upload_picture/file/339688604.pdf
- http://bippex.com/filespath/files/20210908112202.pdf
- http://studiosiriosrl.it/userfiles/files/gixamilotewatofawe.pdf
- http://ainut.fi/userfiles/file/bisulejinazil.pdf
- https://totounited.com/contents/files/5462651045.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16133cfd72073f---fofaporesesekodegamaxo.pdf
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/56808072760.pdf
- http://ux-school.ru/files/files/lataxoxefosu.pdf
- http://ytbozhuo.com/upload/file/101028451393.pdf
- http://jyotiacademicpress.org/uploads/file/46061050367.pdf
- http://ciba.lv/uploaded/file/zawaruwakizola.pdf
- https://greenbins.ca/ckfinder/userfiles/files/12687779998.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130912171278---22836674352.pdf
- https://xeroxexpres.cz/userfiles/file/xavedudawupokuvijof.pdf
- https://alaskaproauto.net/nbloom/fckuploads/file/68029729219.pdf
- http://electric-kernbichler.at/21123156736.pdf
- http://ahzycw.com/upload_fck/file/2021-9-7/20210907185648425820.pdf
Embedded domains
- feedproxy.google.com
- aaronandanthony.com
- jyjwqj.com
- foodexgida.com
- psychologgia.pl
- s292376414.onlinehome.fr
- kondicionery-domodedovo.ru
- bippex.com
- studiosiriosrl.it
- ainut.fi
- totounited.com
- www.colegiometa.net
- www.loscam.com
- ux-school.ru
- ytbozhuo.com
- jyotiacademicpress.org
- greenbins.ca
- www.marcelasemper.com
- alaskaproauto.net
- ahzycw.com
- www.w3.org
- purl.org
- ns.adobe.com
- monarchiaerembolt.hu
- www.saletime.gr
Embedded IP addresses
- 57.154.63.210
- 172.215.188.232
- 20.42.179.204
- 4.150.223.109
- 52.110.12.2
- 4.230.171.124
- 4.144.132.114
- 74.178.76.54
- 52.168.117.175
- 74.178.240.61
- 85.210.193.152
- 20.50.201.201
- 104.18.33.89
- 72.153.5.136
- 40.79.141.153
- 85.210.196.11
- 52.123.252.242
- 52.123.252.245
- 4.247.188.224
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report