MALICIOUS — 28c8f4c238c1f051a8822cbb2e98db4dc9f8d6c90401d0dc275ac80335589cd4
MALICIOUS — 28c8f4c238c1f051a8822cbb2e98db4dc9f8d6c90401d0dc275ac80335589cd4 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
28c8f4c238c1f051a8822cbb2e98db4dc9f8d6c90401d0dc275ac80335589cd4 - SHA-1:
973803e75ee64d1beb11faf7e05ca32a687d5f99 - MD5:
c1bb034a71f3751cd3a995eb064a055f - ssdeep:
1536:86si9RhvUrnSRrV62NZmAwdjugq2DWAVsxWPkKYNTWQpOCltdRq:gi9Rq+lVrmJdjhjb+oP/YN+Clty - TLSH:
T14D37C0F32087ED5C7A979F476DDB1169A589C3882172EB9040C8B76CD5BCABE7E10810 - Submitted as: 28c8f4c238c1f051a8822cbb2e98db4dc9f8d6c90401d0dc275ac80335589cd4
- File type: pdf · Size: 70375 bytes
- Verdict: malicious (99/100)
Detections (4 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
- 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-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://ksmt.edu.np/assets/ckfinder/userfiles/files/valivolodegi.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 - 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://wastran.ru/uplcv?utm_term=tell+me+why+should+i+hire+you, http://absolutelyneon.com/userfiles/file/23095513076.pdf, http://1855-4080.com/userfiles/file/rorosifofowamudutazo.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1147 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
- 23.40.52.209
- 23.11.37.157
- 40.126.14.164
- 52.123.252.244 AU · Sydney · AS8075 Microsoft Corporation
- 23.33.238.178
- 23.198.40.44
- 52.110.12.52 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.207
- 23.33.238.103
- 74.178.76.54 IE · Dublin · AS8075 Microsoft Corporation
- 20.42.73.24 US · Ashburn · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://wastran.ru/uplcv?utm_term=tell+me+why+should+i+hire+you
- http://absolutelyneon.com/userfiles/file/23095513076.pdf
- http://1855-4080.com/userfiles/file/rorosifofowamudutazo.pdf
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/52761955696.pdf
- http://boschvietnam.vn/files/usersfiles/files/zakeguwubikix.pdf
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/valivolodegi.pdf
- http://eg-connect.com/uploads/editorfiles/file///jixamibuzagaloliz.pdf
- http://yasaitogo.com/uploads/files/57843438144.pdf
- http://encino.ilovepokebar.com/uploads/files/ditevo.pdf
- https://letstravelforacause.com/miet/assets/files/dabaxodivuwofume.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/eg386otkf5r8bng2lfdq2g85hu/2731412356.pdf
- https://booknowrentalimo.ch/userfiles/files/38385628272.pdf
- http://www.pes.edu.mn/ckfinder/userfiles/files/jeriwaxavuju.pdf
- https://taptigrihnirman.com/singhania/downloads/file/zuzafosewivi.pdf
- https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/28449658974.pdf
- https://kstraders.com/userfiles/file/41353115871.pdf
- http://cbstav.cz/file/zaxawajapo.pdf
- https://kingdomdatesuae.com/userfiles/files/tapij.pdf
- https://esz.jp/img/editor/files/14697329898.pdf
- http://labellebeaute.com.hk/ckfinder/userfiles/files/sakipevokikoxitupim.pdf
- http://ondamarinarest.com/upload/files/6148806039.pdf
- http://keletunderground.hu/images/uploaded_pics/file/5472320633.pdf
- http://ssaisarang.com/ckfinder/userfiles/files/levefigitadugexedunuzin.pdf
- http://abwlanham.com/uploads/files/miviwuzulupazaruzama.pdf
- http://systemsbiology.at/uploads/assets/file/bagoxon.pdf
Embedded domains
- wastran.ru
- absolutelyneon.com
- 1855-4080.com
- burragebrothers.com
- eg-connect.com
- yasaitogo.com
- encino.ilovepokebar.com
- letstravelforacause.com
- www.drserapkagan.com
- booknowrentalimo.ch
- taptigrihnirman.com
- www.dooleysnaturalgas.com
- kstraders.com
- kingdomdatesuae.com
- esz.jp
- labellebeaute.com.hk
- ondamarinarest.com
- ssaisarang.com
- abwlanham.com
- www.w3.org
- purl.org
- ns.adobe.com
- boschvietnam.vn
- ksmt.edu.np
- www.pes.edu.mn
Embedded IP addresses
- 52.123.252.244
- 52.110.12.52
- 4.230.171.124
- 74.178.76.54
- 20.42.73.24
- 20.165.94.63
- 172.215.188.232
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report