MALICIOUS — normal_5f8778a85cdfa.pdf
MALICIOUS — normal_5f8778a85cdfa.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
5bdec2c497586d4ee67d74fdd80450039a5f1c51436b15a10ac637b9438a746e - SHA-1:
81f94373d14f5ae23ec8b4c7dde9a74d332b5e80 - MD5:
931dd1580b8e1988cf8bee04116d9379 - ssdeep:
768:WgGzpDopjbYdf1dc2hyZi8I+AZuv+uyZeRZPr3wnG6WdzfO/1THv:DGFcpj4J0ZilnG9hfCTHv - TLSH:
T17F32AEF394ABED8C7AC61763ADE21165608DD78DB23293A10588772CD0BC2BE7F10911 - Submitted as: normal_5f8778a85cdfa.pdf
- File type: pdf · Size: 45906 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 8008) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 17 external host(s) at runtime (6 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=before+the+flood+worksheet, https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/kojurufilufopimob.pdf, https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/dawezuvupulun.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9703 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
- desktop-hsgcbep
- ntp.ubuntu.com
- 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
- 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
- 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
- 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\9ac8dab69722f2e3ebf8d14e63ba12a9.png -
0951e825dde79222f8b7b87570f85f1851bf358c3de580d8b30f6d339beab95c - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9407a3f431e84b864682f5b91c051849b6ce55a5707d2cabe4aff4584fdf17a8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=before+the+flood+worksheet
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/kojurufilufopimob.pdf
- https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/dawezuvupulun.pdf
- https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/pupapefujeg.pdf
- https://cdn-cms.f-static.net/uploads/4366952/normal_5f87355273a49.pdf
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f876db3462f8.pdf
- https://cdn-cms.f-static.net/uploads/4366063/normal_5f8775cc63d2e.pdf
- https://cdn-cms.f-static.net/uploads/4367017/normal_5f8773ba1219a.pdf
- https://cdn.shopify.com/s/files/1/0439/9126/9534/files/haiti_population_pyramid_2020.pdf
- https://cdn.shopify.com/s/files/1/0435/6354/8833/files/lab_diffusion_across_a_semi-permeable_membrane_assignment_lab_report.pdf
- https://cdn.shopify.com/s/files/1/0268/7277/4832/files/newosu.pdf
- https://cdn.shopify.com/s/files/1/0432/7460/0598/files/morawawekemelo.pdf
- https://cdn.shopify.com/s/files/1/0437/8987/7405/files/bisawepo.pdf
- https://uploads.strikinglycdn.com/files/72f4c365-fdf8-4672-8a7b-50e2834596ae/dixokejavawakeboxuzame.pdf
- https://uploads.strikinglycdn.com/files/2ce9cfb7-bd9f-4bb4-99ad-7475c4fc62e4/84435974854.pdf
- https://uploads.strikinglycdn.com/files/87b4fdb7-2c77-4276-976f-830b8ed01643/34504614949.pdf
- https://cdn-cms.f-static.net/uploads/4365560/normal_5f876c98bed8a.pdf
- https://cdn-cms.f-static.net/uploads/4365598/normal_5f8761f18f11f.pdf
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f870a613e7bc.pdf
- https://cdn-cms.f-static.net/uploads/4367656/normal_5f877525dcb7f.pdf
- https://cdn-cms.f-static.net/uploads/4365599/normal_5f870ad03f1fc.pdf
- https://uploads.strikinglycdn.com/files/662c7717-ebae-4191-94f0-63bcfb0f9152/duwogotetaw.pdf
- https://uploads.strikinglycdn.com/files/82341b7e-444d-43cb-a939-68034ff55222/50379779895.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- ggtraff.ru
- gimejexoxixaza.weebly.com
- wonigebegi.weebly.com
- fuparududewon.weebly.com
- cdn-cms.f-static.net
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 52.123.252.232
- 52.110.12.48
- 20.42.179.204
- 4.230.171.124
- 4.144.132.114
- 74.178.76.128
- 135.233.95.135
- 40.99.133.210
- 52.123.129.14
- 52.123.252.247
- 72.153.5.132
- 203.26.79.13
- 13.89.179.15
- 20.184.175.19
- 4.150.223.110
- 172.175.111.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report