MALICIOUS — normal_5f88176b0a96a.pdf
MALICIOUS — normal_5f88176b0a96a.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:
825c9c7245c263fdff6a61e6fad12b8b98a86abecea42fac69a5eeb80f40b8c6 - SHA-1:
6c2634973f3c0404dac53237737009ce0543186d - MD5:
800e53d3498b9d21a0073b6dab72b984 - ssdeep:
1536:BGFMpN3HPcVos/MbUBU9ezcsozcTvEvgW93ryUTW1oYAJx4HR:kFMpN3HP6/MbyGocjoTMommUuNAJxI - TLSH:
T11E36BFF35197DD4C3ED6EF4369AA10A43449CB887133A79448C97A2CC87C5BCAD90A90 - Submitted as: normal_5f88176b0a96a.pdf
- File type: pdf · Size: 68904 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 8900) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=bosch+automotive+electronics+handbook, https://cdn-cms.f-static.net/uploads/4366337/normal_5f87bdfde3a1d.pdf, https://cdn-cms.f-static.net/uploads/4366009/normal_5f8758fb576fb.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9675 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
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\30dbfb772c3e3bb35f01a700ba6f5e46.png -
195d6fac9d70f44cf9400735e5d4ba313e4e3f38e7c81a9049a535657fa4ca5c - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6ec47036a0c4cf506276f4b5e51140356a5c7b6bc0f55d42eebd56d97342010a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=bosch+automotive+electronics+handbook
- https://cdn-cms.f-static.net/uploads/4366337/normal_5f87bdfde3a1d.pdf
- https://cdn-cms.f-static.net/uploads/4366009/normal_5f8758fb576fb.pdf
- https://cdn-cms.f-static.net/uploads/4368759/normal_5f87fe9d8224a.pdf
- https://cdn-cms.f-static.net/uploads/4366374/normal_5f875fae29b9d.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f87114954074.pdf
- https://cdn-cms.f-static.net/uploads/4368978/normal_5f880ca384c98.pdf
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/1109957.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/jolon_koxuzozudanik_makilitinami.pdf
- https://duxixujojive.weebly.com/uploads/1/3/0/7/130739103/2079ec5d29c04f8.pdf
- https://cdn-cms.f-static.net/uploads/4366347/normal_5f87aa6937d87.pdf
- https://cdn-cms.f-static.net/uploads/4366343/normal_5f87c86f2514c.pdf
- https://cdn-cms.f-static.net/uploads/4366668/normal_5f872b3522d26.pdf
- https://cdn-cms.f-static.net/uploads/4367278/normal_5f8763927f5a3.pdf
- https://cdn.shopify.com/s/files/1/0495/4924/6616/files/70175895798.pdf
- https://cdn.shopify.com/s/files/1/0479/4721/9100/files/kesiroxev.pdf
- https://cdn.shopify.com/s/files/1/0495/9816/9237/files/just_natural_mushroom_compost_reviews.pdf
- https://site-1043176.mozfiles.com/files/1043176/fupujawipibu.pdf
- https://site-1043199.mozfiles.com/files/1043199/79300805784.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/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- bedizegoresupa.weebly.com
- jakedekokobara.weebly.com
- duxixujojive.weebly.com
- cdn.shopify.com
- site-1043176.mozfiles.com
- site-1043199.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 51.132.193.105
- 4.207.44.66
- 74.178.76.128
- 20.184.175.14
- 52.110.12.28
- 172.215.188.232
- 4.230.171.124
- 4.247.188.233
- 20.247.184.142
- 135.232.92.137
- 74.178.240.51
- 52.123.129.14
- 52.123.252.243
- 72.145.35.107
- 203.26.79.13
- 52.123.252.224
- 20.165.94.46
- 4.150.223.115
- 172.175.111.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report