MALICIOUS — normal_5fe45ba4dcb1f.pdf
MALICIOUS — normal_5fe45ba4dcb1f.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b62770ef751698340b7a90a28b5ddbe4338619cbff95eed296a67649d9cc0393 - SHA-1:
fe6664db65b0f9d4408f36c7f019a70ee3592079 - MD5:
89c878f9f40898d2658c32d5e96c5cd1 - ssdeep:
1536:4Reom/zTv1ki71TQGMCgQu1Yqxhfm/fC7n518zKhJiE0SCAjhSV:Om/nz1QlYA7mz4OtOK - TLSH:
T1CD37D0F760ABDD4C7B6A9F4B7EA551552048CA8CB123EA6020D0B67CCCF42BD6E60D10 - Submitted as: normal_5fe45ba4dcb1f.pdf
- File type: pdf · Size: 72721 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 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 7 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 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4448540/normal_5fde06bc2abc7.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffi.ru/123?utm_term=efficient+vs+responsive+supply+chain, https://static.s123-cdn-static.com/uploads/4448540/normal_5fde06bc2abc7.pdf, https://uploads.strikinglycdn.com/files/e8acd2ca-366a-4b40-ae8c-7c20d9444d30/best_languages_for_curse_of_strahd.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9819 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
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- desktop-hsgcbep
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5a2d39d060cdd35a9be174aba4d9103b.png -
ae23c465a8fdf37059e6feba12764afae914e94d22eda735bde9da0e9f6d7cf8 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2768cb45dc1eeb72323191af77c104d51bd9c59eddfe35c47bcc4a5a2728e0ec - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffi.ru/123?utm_term=efficient+vs+responsive+supply+chain
- https://s3.amazonaws.com/dobesogum/dixuva.pdf
- https://static.s123-cdn-static.com/uploads/4448540/normal_5fde06bc2abc7.pdf
- https://uploads.strikinglycdn.com/files/e8acd2ca-366a-4b40-ae8c-7c20d9444d30/best_languages_for_curse_of_strahd.pdf
- https://cdn-cms.f-static.net/uploads/4501998/normal_5fc03761f0f8e.pdf
- https://s3.amazonaws.com/zemigiduwagafu/mendelian_genetics_lab_answers.pdf
- https://static.s123-cdn-static.com/uploads/4468563/normal_5fc7d2b1821bf.pdf
- https://static.s123-cdn-static.com/uploads/4417413/normal_5fe0e0ff5480c.pdf
- https://static.s123-cdn-static.com/uploads/4366401/normal_5fde912cbbc8f.pdf
- https://cdn.sqhk.co/muzexeragod/iicOfhj/gurizubi.pdf
- https://cdn.sqhk.co/lewivapawo/fOO1hdN/71477550122.pdf
- https://cdn-cms.f-static.net/uploads/4375908/normal_5f8c6363df893.pdf
- https://s3.amazonaws.com/bezorito/3331288397.pdf
- https://s3.amazonaws.com/fajixe/sevulibokus.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
- 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=1787742440&P2=404&P3=2&P4=DxnDA2OzfRkA9yfEjTg58R6bYfGvLIAYWbO8g1jsmSSLzPUoI%2f%2fWK6fIbgh51hZ3XPBBLQafCPy1dk%2btYCbmvg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- trafffi.ru
- s3.amazonaws.com
- static.s123-cdn-static.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.sqhk.co
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.218
- 4.150.223.115
- 57.155.104.224
- 72.145.35.100
- 20.184.175.19
- 52.110.12.25
- 4.230.171.124
- 20.247.184.142
- 135.233.95.144
- 135.233.95.135
- 52.123.128.14
- 40.99.133.226
- 20.42.72.131
- 135.233.95.80
- 203.26.79.13
- 52.123.252.225
- 92.223.78.30
- 20.42.65.84
- 20.184.175.13
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report