MALICIOUS — 4b2b9305c5ce7c186a3c1ae39ae9ee7a9ab6fd8aa07b97fc32c10f44e431b9b0
MALICIOUS — 4b2b9305c5ce7c186a3c1ae39ae9ee7a9ab6fd8aa07b97fc32c10f44e431b9b0 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:
4b2b9305c5ce7c186a3c1ae39ae9ee7a9ab6fd8aa07b97fc32c10f44e431b9b0 - SHA-1:
fddff6f94dd467e54707ee7108878d7c947af468 - MD5:
c75e0c45601b7c6b237f37d54d25dfa0 - ssdeep:
1536:8+pHT6VJ6iBL3cHp6iKENRcRBklKb1cSO6aTpBO3WVc9jVCjG8tsuQWcpOmQqR:f6VJ6iBTcQx8cklKb1fOrO+YOsu7m3 - TLSH:
T1FF38BFF321EBDD4C7287DB43A8E61569A14AD7CC9521E9A05148BB3C887C5BEBB00D60 - Submitted as: 4b2b9305c5ce7c186a3c1ae39ae9ee7a9ab6fd8aa07b97fc32c10f44e431b9b0
- File type: pdf · Size: 80185 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
Why this verdict
The malicious score of 98/100 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 - 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: http://kurier48.pl/files/userfiles/file/77550515538.pdf, https://resicolor.com/upload/files/30301525463.pdf, http://trevorhannant.com/10888263446.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 11 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
- Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 9080) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1007 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
- 23.40.52.85
- 23.11.37.157
- 20.190.142.167
- 104.208.16.94 US · Des Moines · AS8075 Microsoft Corporation
- 85.210.196.11 GB · London · AS8075 Microsoft Limited
- 52.253.84.76 SG · Singapore · AS8075 Microsoft Corporation
- 52.110.12.55 AU · Sydney · AS8075 Microsoft Corporation
- 23.33.238.135
- 57.154.63.210 US · Phoenix · AS8075 Microsoft Limited UK
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.102
- 23.33.238.110
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=night+and+day+song+ray+charles
- http://kurier48.pl/files/userfiles/file/77550515538.pdf
- https://resicolor.com/upload/files/30301525463.pdf
- http://trevorhannant.com/10888263446.pdf
- https://dalton-english.com/userfiles/file/76987322407.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/161463e3815ec7---baget.pdf
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/54672854195.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d5031355bb6589c3b1fdb11413acbfeb/tajito.pdf
- http://www.urbanwaterways.info/files/zabujufopobapisebe.pdf
- http://penzion-u-zamku.cz/files/file/77198817325.pdf
- http://poetische-malerei.de/web/editor/files/noretiwedopijalub.pdf
- https://comptables-publics.fr/userfiles/file/89070541865.pdf
- https://www.sistemkabin.com/ckfinder/userfiles/files/zafukosotujirefogiliva.pdf
- http://soosanfix.com/upload/fckeditor/file/47240579039.pdf
- http://studiotecnicofrisoli.com/userfiles/files/pidalisumajegogawakusof.pdf
- http://mgtofubbq.com/uploads/files/12443998552.pdf
- http://floridare.ru/app/webroot/img/uploads/file/441210_vagiseniken.pdf
- http://clinton.abwingsmd.com/uploads/files/wugiwareginesuselowapovo.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615c5032c8e07---mowepafinoxejojiwebiferok.pdf
- http://oilmachineydy.com/d/files/sikumutazewujimilodo.pdf
- http://duythuc-bearing.vn/uploads/userfiles/file/xibapi.pdf
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/nutizumetatofixomik.pdf
- https://traffictkt.com/viking1/uploads/files/sabudiwitugujod.pdf
- https://eklyps.net/images/file/87663913497.pdf
- http://ayurveda-shiatsu-qigong-nice.com/upload/files/25038555833.pdf
Embedded domains
- feedproxy.google.com
- kurier48.pl
- resicolor.com
- trevorhannant.com
- dalton-english.com
- emergent-partners.com
- delaneyllc.cfonewsletter.com
- www.urbanwaterways.info
- poetische-malerei.de
- comptables-publics.fr
- www.sistemkabin.com
- soosanfix.com
- studiotecnicofrisoli.com
- mgtofubbq.com
- floridare.ru
- clinton.abwingsmd.com
- www.hypnotiseur.com
- oilmachineydy.com
- flixgolf.com
- traffictkt.com
- eklyps.net
- ayurveda-shiatsu-qigong-nice.com
- acheapantheia.foliopic.com
- www.w3.org
- purl.org
Embedded IP addresses
- 20.184.175.15
- 52.168.112.67
- 104.208.16.94
- 85.210.196.11
- 52.253.84.76
- 52.110.12.55
- 57.154.63.210
- 4.230.171.124
- 4.150.223.102
- 40.79.163.154
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report