MALICIOUS — normal_5f9682219327d.pdf
MALICIOUS — normal_5f9682219327d.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:
a479a8e4d6f9b86672c40da862c35d7bfc80b17f88126a1750abbf51f0594cc0 - SHA-1:
c63bc6907a5985474a447d8078983d07d71e355d - MD5:
ac917b59af3312fd9623dab5b15c602e - ssdeep:
768:igGzpD/eyb7z+gnjb5E1PlWLVnoEMnjIku6CCryiH0N6Sm1DUhYH6Nvl9bA9x33b:/GFzeRVJOiH0k1ATvl9oNjUg - TLSH:
T10E349EF321E7EC4C3A879F53ADBB15A6254AC74D7226EB50448DBB2CC07C1AD6E11920 - Submitted as: normal_5f9682219327d.pdf
- File type: pdf · Size: 53755 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 14 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/e943ce7e-8cd1-4334-b04d-563d621c86e6/19097538056.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.cc/123?keyword=what+is+communication+system+pdf, https://cdn-cms.f-static.net/uploads/4373516/normal_5f8cc5521996c.pdf, https://cdn-cms.f-static.net/uploads/4377095/normal_5f8af605169d6.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9707 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
- 252.0.0.224.in-addr.arpa
- 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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 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\6695658feecbd88137d2e6014ef1c6f0.png -
738f8855210827e292318e521c0681a4d7e72e1dedb3773fecc2c553f846b7d1 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1960e13702af5797e12dea3ae56bc9c0b29ad544e3690ac4edf3a46883055cc4 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.cc/123?keyword=what+is+communication+system+pdf
- https://cdn-cms.f-static.net/uploads/4373516/normal_5f8cc5521996c.pdf
- https://cdn-cms.f-static.net/uploads/4377095/normal_5f8af605169d6.pdf
- https://cdn-cms.f-static.net/uploads/4366377/normal_5f873ca0a2010.pdf
- https://uploads.strikinglycdn.com/files/e943ce7e-8cd1-4334-b04d-563d621c86e6/19097538056.pdf
- https://uploads.strikinglycdn.com/files/032a19db-c0c0-427f-bb5f-f74eb9750a69/29464248079.pdf
- https://uploads.strikinglycdn.com/files/da677f25-181f-4f62-9383-849a8e615f86/bovurazev.pdf
- https://uploads.strikinglycdn.com/files/727e9a70-721b-4e40-84a7-2efd07b98ca6/biomechanics_textbook.pdf
- https://uploads.strikinglycdn.com/files/e6bb4864-8e42-4fc6-9527-6a1b7ec88529/pufuzosotiveduvo.pdf
- https://cdn-cms.f-static.net/uploads/4368950/normal_5f8fa377a5171.pdf
- https://cdn-cms.f-static.net/uploads/4390381/normal_5f926edc0d7f4.pdf
- https://cdn-cms.f-static.net/uploads/4368978/normal_5f9646e2819f1.pdf
- https://cdn-cms.f-static.net/uploads/4367920/normal_5f93576366ee4.pdf
- https://cdn-cms.f-static.net/uploads/4405946/normal_5f9649c35bb35.pdf
- https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/powipugasi_lewid.pdf
- https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/6001404.pdf
- https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/3642493.pdf
- https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/fuvaromuduvurimep.pdf
- https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/rowisiwo.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/7775416.pdf
- https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/xijukil.pdf
- https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/tizunivatuvesiduma.pdf
- https://fobewesepujub.weebly.com/uploads/1/3/2/3/132303403/maxisite.pdf
- https://cdn.shopify.com/s/files/1/0502/5421/7388/files/siwijanazikugolasezotofil.pdf
- https://cdn.shopify.com/s/files/1/0485/8829/2261/files/arabic_grammar_chart.pdf
Embedded domains
- ttraff.cc
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- netaluzubik.weebly.com
- kuromazu.weebly.com
- sijevunima.weebly.com
- moxitasa.weebly.com
- fidurelofomus.weebly.com
- jakedekokobara.weebly.com
- vunixumo.weebly.com
- daletutanedura.weebly.com
- fobewesepujub.weebly.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.230.60.54
- 52.110.12.22
- 4.230.171.124
- 20.42.179.204
- 74.179.77.204
- 20.231.239.246
- 40.74.98.196
- 52.123.129.14
- 40.99.134.18
- 135.233.45.223
- 74.178.232.29
- 203.26.79.13
- 20.184.175.21
- 172.178.240.161
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report