MALICIOUS — cdb579e515aeb363fcd6350cffc517792187da25e5b10ded6a49f51ce70fdfdc
MALICIOUS — cdb579e515aeb363fcd6350cffc517792187da25e5b10ded6a49f51ce70fdfdc 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:
cdb579e515aeb363fcd6350cffc517792187da25e5b10ded6a49f51ce70fdfdc - SHA-1:
74856a1fd9d1f319b4cd21822540f1c184a29cd6 - MD5:
cdc31c5f8e7dc038e38f1d428a2b7d66 - ssdeep:
1536:CmI5VMPsnPt10pcU9haWdAdqqtOFSW0fx/J2ccLrWypOlT/M:joVMPG11dePstOFO/JFaElw - TLSH:
T13836D0F3216BCD9CBB46DF437BA755A9A056D7483122EAD000C8B66C89BC47DFD00A51 - Submitted as: cdb579e515aeb363fcd6350cffc517792187da25e5b10ded6a49f51ce70fdfdc
- File type: pdf · Size: 68881 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: https://cructi.ru/uplcv?utm_term=chinese+rpg+games+android, https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/8c0gqmlgr2ted9hglfrimeoh31/55045548094.pdf, http://laskod.hu/userfiles/file/nivixoziluzim.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 7 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (15 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 8652) (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
- 40.84.97.4 US · Boydton · AS8075 Microsoft Corporation
- 40.126.14.164
- 150.171.22.17
- 23.198.40.44
- 192.168.122.110
- 52.110.12.46 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.171
- 172.215.188.225 US · San Antonio · AS8075 Microsoft Limited
- 20.42.73.30 US · Baltimore · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cructi.ru/uplcv?utm_term=chinese+rpg+games+android
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/8c0gqmlgr2ted9hglfrimeoh31/55045548094.pdf
- http://laskod.hu/userfiles/file/nivixoziluzim.pdf
- http://huh.hu/UserFiles/File/zujolajufeleli.pdf
- https://10s317.com/uploads/files/202109231651553822.pdf
- https://bongkartuantakur.com/contents/files/91510293758.pdf
- https://minhvuongthuphap.com/upload/ck/files/nofaxu.pdf
- http://boracayg.com/FileData/ckfinder/files/20210907_864BC88C81946748.pdf
- http://due.pt/js/ckfinder/userfiles/files/sujekawatebamiruda.pdf
- https://emartdeko.pl/galeria/file/rupedugetodakagob.pdf
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/24066342107.pdf
- http://nirmalamathachurch.org/cms_uploads/image/file/boguwaxomawomam.pdf
- http://creativeindustries.ru/uploads/userfiles/file/pirixixalenenuxipen.pdf
- https://xn--lenachatka-57b.pl/uploaded/file/zuwejosupifu.pdf
- http://thestarbusan.com/FileData/ckfinder/files/20210928_39D7FBC380ADD2A8.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- cructi.ru
- 10s317.com
- bongkartuantakur.com
- minhvuongthuphap.com
- boracayg.com
- emartdeko.pl
- execdentalclinic.com
- nirmalamathachurch.org
- creativeindustries.ru
- xn--lenachatka-57b.pl
- thestarbusan.com
- www.w3.org
- purl.org
- ns.adobe.com
- sketchup360.vn
- laskod.hu
- huh.hu
- due.pt
Embedded IP addresses
- 20.42.179.192
- 40.84.97.4
- 52.110.12.46
- 4.230.171.124
- 172.215.188.225
- 20.42.73.30
- 20.42.65.84
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report