MALICIOUS — 8748a4373e04285f7d0279ea998419108ca96992b70a9be79a95291e84f19752
MALICIOUS — 8748a4373e04285f7d0279ea998419108ca96992b70a9be79a95291e84f19752 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:
8748a4373e04285f7d0279ea998419108ca96992b70a9be79a95291e84f19752 - SHA-1:
ee5a5274768f00ab896cf68f5ebfc6802cfb4985 - MD5:
2155519c649b055f3188c59f676e2285 - ssdeep:
1536:10JBcdKD7zdZ/wq++wbcVmdNuWhv8LJWsptNnHt4eWapOtQCT1qRrJN:WJBcITwvDbcOhv8LdFHKjtQCgF - TLSH:
T13637C0F310D7CE6C7BCB9F8769AB02A9608BE7846276DA614144B32C95BC57DBF00910 - Submitted as: 8748a4373e04285f7d0279ea998419108ca96992b70a9be79a95291e84f19752
- File type: pdf · Size: 72702 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 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 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://crewmak.ru/uplcv?utm_term=quest+learning+and+assessment+physics+answers, https://cncunse.com/d/files/20546845619.pdf, http://gnatowski.pl/attachments/file/wasewotu.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 15 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
893 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- _dosvc._tcp.local
- 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
- 162.159.142.9 US · San Francisco · AS13335 Cloudflare, Inc.
- 23.11.37.157
- 142.250.207.14
- 57.155.101.212 SG · Singapore · AS8075 Microsoft Limited UK
- 20.190.167.149
- 4.144.132.223 SG · Singapore · AS8075 Microsoft Corporation
- 150.171.22.17
- 23.33.238.178
- 23.198.40.44
- 40.84.85.40 US · Boydton · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://crewmak.ru/uplcv?utm_term=quest+learning+and+assessment+physics+answers
- https://cncunse.com/d/files/20546845619.pdf
- http://gnatowski.pl/attachments/file/wasewotu.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9fceecee3---mukonelatajixatatavagiti.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0a9db3e7f---goreranuzuvezeribevaga.pdf
- http://bunny888.com/ckfinder/userfiles/files/70326000181.pdf
- http://gyndoktors.de/ckfinder/userfiles/files/zuvewozos.pdf
- http://yonezawanet.jp/units/24250/zcycom/files/vajekupurexiwudesub.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7b998f5eb---72443731548.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e56ab3a9ee---10724382369.pdf
- http://dalnoboy.net/data/filestorage/upload/files/11927722417.pdf
- https://tpk-m.ru/files/file/10705211063.pdf
- http://yasaitogo.com/uploads/files/32649019459.pdf
- https://worldcastlive.com/userfiles/file/doletizufa.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/620d345f0b850be5ae7f6504e5b4b290/kukelevaredev.pdf
- http://xn--or3bo5mvlb.com/data/editor/file/zalifekimadebegad.pdf
- http://stroi-sistema.ru/img/91957719551.pdf
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/99944390401.pdf
- https://tomorrowhubs.com/upload/users/files/47941709707.pdf
- http://modra-skola.cz/userfiles/file/65850656125.pdf
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/jirujenobomu.pdf
- https://maconlux.ovh/userfiles/files/foxejapixawakaxokinixofu.pdf
- http://zzzwchem.com/upload/files/paluwiko.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9ghjg89gqlk516408fm1i8d3a/rerawi.pdf
- https://vico-domrep.com/ckfinder/userfiles/files/10718280890.pdf
Embedded domains
- crewmak.ru
- cncunse.com
- gnatowski.pl
- www.jahnigterbraak.nl
- www.capitalroofingct.com
- bunny888.com
- gyndoktors.de
- yonezawanet.jp
- julieesteban.com
- www.tifdip.com
- dalnoboy.net
- tpk-m.ru
- yasaitogo.com
- worldcastlive.com
- vickers-electronics.co.uk
- xn--or3bo5mvlb.com
- stroi-sistema.ru
- cosmopolitanhotelbg.com
- tomorrowhubs.com
- caminodesantiagoenmoto.com
- zzzwchem.com
- kalatranslation.co.uk
- vico-domrep.com
- spherule.org
- www.w3.org
Embedded IP addresses
- 203.26.79.13
- 20.42.179.192
- 52.123.252.222
- 57.154.63.210
- 172.172.255.216
- 51.104.15.252
- 40.84.97.4
- 162.159.142.9
- 57.155.101.212
- 4.144.132.223
- 40.84.85.40
- 4.230.171.124
- 52.178.17.235
- 20.42.73.31
- 72.145.35.98
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report