MALICIOUS — 5f3c0ec9cba1afef44107d9d728ba557435e274a037f184d1781f1ae9427cefc
MALICIOUS — 5f3c0ec9cba1afef44107d9d728ba557435e274a037f184d1781f1ae9427cefc 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:
5f3c0ec9cba1afef44107d9d728ba557435e274a037f184d1781f1ae9427cefc - SHA-1:
b83f67215f0c606f72cb43ab3b65e8b8746e701c - MD5:
4436c00386ebf527bb954d9ef23052a9 - ssdeep:
1536:yFXKaQrr1cgGDd3iB7PFegEv8qi+JSRW05U3/UX3WQpOC/1X:raKukxPExx9SZU3/UXiCd - TLSH:
T19C37C0F71197DC4C7BCB9B0369A622A8B189D7885172EBA040C8B6BCD57C87DBE10550 - Submitted as: 5f3c0ec9cba1afef44107d9d728ba557435e274a037f184d1781f1ae9427cefc
- File type: pdf · Size: 71912 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 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 - 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://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/49516620241.pdf, http://hyunsin.net/userfiles/file/gofajonudog.pdf, http://flapboxes.custompackageboxes.com/userfiles/files/puvunidudejigakerofoso.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
- Memory forensics: 4 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 3452) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1077 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/
- 23.40.52.85
- 23.11.37.157
- 40.126.14.162
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=who+are+they+in+the+dialogue
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/49516620241.pdf
- http://hyunsin.net/userfiles/file/gofajonudog.pdf
- http://flapboxes.custompackageboxes.com/userfiles/files/puvunidudejigakerofoso.pdf
- http://consol.hu/images/uploadedimages/file/66817013761.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16156964ac6a6b---zesopopedababowi.pdf
- http://style4.allwebeasy.com/userfiles/files/buvarazilexigosox.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9add1b20d---kozovezijabo.pdf
- http://adamlegal.com/userfiles/file/fezire.pdf
- https://rachelrom.com/rescontent/file/65741392495.pdf
- http://knuhpharm.kr/userfiles/file/20210914171209.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132bb041ca23---91860135478.pdf
- https://socardan.com/userfiles/files/wedimaxurajolesobedibav.pdf
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/roroxilesetopobubi.pdf
- https://xuongkhopbadinh.vn/images/files/goxebososudizur.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161328a66749e8---23970496870.pdf
- http://condosworld.com/abisol1/userfiles/files/50213771649.pdf
- http://amandatour.ru/js/ckfinder/userfiles/files/86382024766.pdf
- http://printific.com/images/contentimages/files/kejasuguzixuzijilipu.pdf
- http://keyflounge.nl/userfiles/file/duridadukujagudilesesiso.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615082acbb750---degamiwoniluj.pdf
- https://pmapmc.com/userfiles/image/files/lizozitifipuwo.pdf
- https://ihotel2b.com/upfiles/editor/files/buzurowedekofakaxi.pdf
- http://sieuthihatgiong.vn/webroot/img/files/titafiwenopupugasenu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- feedproxy.google.com
- www.tri-or.fr
- hyunsin.net
- flapboxes.custompackageboxes.com
- style4.allwebeasy.com
- adamlegal.com
- rachelrom.com
- knuhpharm.kr
- www.certificagreen.com
- socardan.com
- samarthanamparisara.org
- abapaposentados.com.br
- condosworld.com
- amandatour.ru
- printific.com
- keyflounge.nl
- suportti.com
- pmapmc.com
- ihotel2b.com
- www.w3.org
- purl.org
- ns.adobe.com
- consol.hu
- www.mkkdigital.pt
- suhrsmad.dk
Embedded IP addresses
- 52.110.12.3
- 4.230.171.124
- 20.42.72.131
- 20.165.94.63
- 20.247.185.124
- 52.168.117.175
- 72.153.5.131
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report