MALICIOUS — 52030245380.pdf
MALICIOUS — 52030245380.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
a7581968ec0aba6c9b65f0ab85e4732c2471085ba0dae0f3c7e57593f7e4b0e4 - SHA-1:
9cb57e45b8473ba9b0f222cd6186f620616289f2 - MD5:
56578140a1f48ce5198e3c1cbd891d7c - ssdeep:
768:qegGzpDReV+AyxhIEv1PHq5JUjhHN6ZE/KcaDDlyDW7P7R9Vfa8:IGFtDPucPK52UE//qDlyDWr7DVfa8 - TLSH:
T10C339EF360DBEE8C7D876B835DA311996486C28C723397A0598C7B6CC87C26DAF45460 - Submitted as: 52030245380.pdf
- File type: pdf · Size: 50218 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 13 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://latotilaj.russmillssigns.com/uploads/1/3/0/9/130969762/nejojoluxex-tisutemejowo.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=bharathidasan+university+ma+english+syllabus+pdf+download, http://files.clarevet.com/uploads/1/3/0/7/130738814/6baf8b64a8319.pdf, http://latotilaj.russmillssigns.com/uploads/1/3/0/9/130969762/nejojoluxex-tisutemejowo.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)
9701 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787765156&P2=404&P3=2&P4=m0KcDk4HsyS3AnXYDMDD4sUIpL6t2jd%2fgT4cPcMhiZKzBXAjxMqtmttpWiJNviTOiGwMVFkmHBgrLypGI4e3JQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787765175&P2=404&P3=2&P4=VjK50OOTP%2bS5Jn3aOqlo0TsdxNuxMPN7MB3C4T%2fnDpMfYCN19Oh2jhFBH2gtRhI026Qr%2bkckXKoSueUWYyP9ug%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787161896&P2=404&P3=2&P4=LANr2lGuiDFUidh0eC9kohXB7KcpRqwAHUjah5RYI%2bIGyNExjjbDqt0N14kR9kjZuSfuwI8F3MddzrWy7BXuDA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\cd2b03b3460835dc56f8fa794e48a9f9.png -
0f93bbddb0b1147c65de5e2965639227679ad486cf8350338c5cf5257c46c46d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a4634e55af6811d98302e3dd534e3fb5c4b5c75bc673d4795edfd961f4f09c4d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=bharathidasan+university+ma+english+syllabus+pdf+download
- http://files.clarevet.com/uploads/1/3/0/7/130738814/6baf8b64a8319.pdf
- http://latotilaj.russmillssigns.com/uploads/1/3/0/9/130969762/nejojoluxex-tisutemejowo.pdf
- http://wibaxuw.teamrehab.uk/uploads/1/3/0/9/130969656/1009fa.pdf
- http://files.wildhuntmasks.com/uploads/1/3/1/8/131856827/85aa3e.pdf
- http://files.westmeadhospitalwhistleblowers.com/uploads/1/3/1/4/131408142/baruradebogamiwafe.pdf
- http://files.sandpointeshores.org/uploads/1/3/0/7/130775370/8524f47fac39b.pdf
- http://files.thecleanthumb.com/uploads/1/3/0/7/130775848/22de6b8f4cbd8.pdf
- http://roxilo.topsslcpuc.com/uploads/1/3/1/6/131637371/toledifisi_mekugezerus_vabosekutamof_denuvuvabufa.pdf
- https://uploads.strikinglycdn.com/files/26ae7485-6408-4f49-8918-5478798c6a45/mosivete.pdf
- https://uploads.strikinglycdn.com/files/cc2eacab-789a-445f-a2a1-ed48f9dd722b/nowep.pdf
- https://uploads.strikinglycdn.com/files/a6fe5030-c589-4b43-89e4-9c62162328d4/37115745347.pdf
- https://uploads.strikinglycdn.com/files/00d5dee6-5a23-4eff-bfc2-e0cbbfcd6990/timaxadizelisofaj.pdf
- https://uploads.strikinglycdn.com/files/3d2983e9-a3fd-4bef-b46b-1986ed553725/nisuxeniz.pdf
- https://uploads.strikinglycdn.com/files/993c44f0-a7f9-4ccc-8b8d-dbe3d0b9c71a/28130866064.pdf
- https://uploads.strikinglycdn.com/files/76f737ea-da7b-4927-80d5-4b266b91c5e8/rozetex.pdf
- https://uploads.strikinglycdn.com/files/0f549cd5-a01a-4c63-8879-e7df93e2a58e/xidikoxi.pdf
- https://uploads.strikinglycdn.com/files/09561624-ae14-429c-b153-fbb6975c0a05/10850462240.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
Embedded domains
- cctraff.ru
- files.clarevet.com
- latotilaj.russmillssigns.com
- wibaxuw.teamrehab.uk
- files.wildhuntmasks.com
- files.westmeadhospitalwhistleblowers.com
- files.sandpointeshores.org
- files.thecleanthumb.com
- roxilo.topsslcpuc.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 13.69.116.105
- 20.247.184.197
- 52.110.12.33
- 72.153.5.97
- 4.230.171.124
- 203.26.79.13
- 20.184.175.14
- 20.165.94.63
- 52.123.129.14
- 135.233.95.80
- 4.207.44.65
- 172.170.180.133
- 4.207.44.74
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report