MALICIOUS — 52256d6662dd9d3a025ec6021d9def51d03f495f904631d8ee3342d225d5bca5
MALICIOUS — 52256d6662dd9d3a025ec6021d9def51d03f495f904631d8ee3342d225d5bca5 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
52256d6662dd9d3a025ec6021d9def51d03f495f904631d8ee3342d225d5bca5 - SHA-1:
41b13fc26de818a4fa784e772b2eeb111d6ab37c - MD5:
fcad97ca1d6371fa07f885636e97b529 - ssdeep:
1536:kNihxmlqI6YEa3pebFw6CL43cA+s/i3iaZ5V7WnmDbWyFKJS4by2OwmEduV/v3Q:0/lqI7Ea3pqFmmcA+sa58mHrMFu2Owmu - TLSH:
T1C238E1F3A197EC8CBA9B6F13BDA211A86149D78C61369F90004CB76CC47C7AE2F59510 - Submitted as: 52256d6662dd9d3a025ec6021d9def51d03f495f904631d8ee3342d225d5bca5
- File type: pdf · Size: 84185 bytes
- Verdict: malicious (100/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!FCAD97CA1D63
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 11 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 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4490539/normal_5ff09752b6b57.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 - Trellix Stinger (McAfee) flagged PDF/Phish-FAB!FCAD97CA1D63 (rule
PDF/Phish-FAB!FCAD97CA1D63) - 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 7 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://kuzutuzo.ru/strik?utm_term=digital+marketing+study+pdf, https://cdn-cms.f-static.net/uploads/4377116/normal_604b922fce173.pdf, https://static.s123-cdn-static.com/uploads/4490539/normal_5ff09752b6b57.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1317 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
- 20.190.167.64
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://kuzutuzo.ru/strik?utm_term=digital+marketing+study+pdf
- https://cdn-cms.f-static.net/uploads/4377116/normal_604b922fce173.pdf
- https://static.s123-cdn-static.com/uploads/4490539/normal_5ff09752b6b57.pdf
- https://static.s123-cdn-static-d.com/uploads/4498376/normal_60b30003b889b.pdf
- https://cdn-cms.f-static.net/uploads/4482402/normal_60228336c538b.pdf
- https://cdn-cms.f-static.net/uploads/4369330/normal_6063643fc967e.pdf
- https://static.s123-cdn-static.com/uploads/4367680/normal_5fca33da76516.pdf
- https://cdn-cms.f-static.net/uploads/4388181/normal_604f32a544b70.pdf
- https://dovowufola.weebly.com/uploads/1/3/4/4/134438787/141596.pdf
- https://cdn-cms.f-static.net/uploads/4427519/normal_6009d2dd695db.pdf
- https://cdn-cms.f-static.net/uploads/4467975/normal_604349e03194f.pdf
- https://cdn-cms.f-static.net/uploads/4480423/normal_600b3ad02a25f.pdf
- https://cdn-cms.f-static.net/uploads/4485014/normal_60110bb873f9b.pdf
- https://cdn-cms.f-static.net/uploads/4476780/normal_6012d6188cc00.pdf
- https://nakakikixug.weebly.com/uploads/1/3/4/4/134490848/d188bbc270.pdf
- https://static.s123-cdn-static.com/uploads/4422620/normal_5ff0f23e465cc.pdf
- https://cdn-cms.f-static.net/uploads/4482860/normal_606a2df52db78.pdf
- https://cdn-cms.f-static.net/uploads/4416675/normal_602206355f31b.pdf
- https://static.s123-cdn-static.com/uploads/4386842/normal_5fe3dee38a4f3.pdf
- https://cdn-cms.f-static.net/uploads/4487191/normal_603f98e6a6b96.pdf
- https://cdn-cms.f-static.net/uploads/4373016/normal_60285e7528b96.pdf
- https://cdn-cms.f-static.net/uploads/4471109/normal_6049349184c1e.pdf
- https://cdn-cms.f-static.net/uploads/4409628/normal_5fdc14278dd7b.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- kuzutuzo.ru
- cdn-cms.f-static.net
- static.s123-cdn-static.com
- static.s123-cdn-static-d.com
- dovowufola.weebly.com
- nakakikixug.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 4.247.188.233
- 40.84.97.4
- 4.230.171.124
- 104.18.33.89
- 74.178.76.128
- 51.132.193.104
- 4.150.223.105
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report