MALICIOUS — normal_5f8c8b202d5a2.pdf
MALICIOUS — normal_5f8c8b202d5a2.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:
9d5e52392af22e3cb80a1f9ad5f601c3b0689975b5b32687fff2a9a2e6437a70 - SHA-1:
e0e1d55642d54aa06cbf096dee9ff873d75a07c8 - MD5:
a51062c9c3fd461c3c2d0bdcc9e020b6 - ssdeep:
768:v8gGzpDYpCbrMWsoqOzu4RqtIWf2V5PXMvIKk9I7rfiDiZ8QI03RltHeACPE:BGFMpymG9nitNOVPE - TLSH:
T17B339EF310D7ED4D3A8FAF87ADAB109D604ED28D613793A04488262DD4786ED7F10662 - Submitted as: normal_5f8c8b202d5a2.pdf
- File type: pdf · Size: 51254 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 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/79d7a5fb-9d54-4a9f-8669-b50b0e0df124/weletodadevufuteluv.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=what+is+linearlayout+and+relativelayout+in+android, https://uploads.strikinglycdn.com/files/79d7a5fb-9d54-4a9f-8669-b50b0e0df124/weletodadevufuteluv.pdf, https://uploads.strikinglycdn.com/files/ecea4490-b5d7-4cd0-8f41-1fa836d4fc21/sosinasisinulome.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9709 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
- 250.255.255.239.in-addr.arpa
- 252.0.0.224.in-addr.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
- 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
- desktop-hsgcbep
- ntp.ubuntu.com
- 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\SumatraPDF-settings.txt -
386ac00530b40d561ed0b3d29000b3969511884cf8f34af7d38ed68404f5b32c - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\39af465ff7facfd0a4ea2873412ea157.png -
012869b5ca15947ab2bf5845a316963ad8a401c760a1f5c4422f444f5f8f5e2c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=what+is+linearlayout+and+relativelayout+in+android
- https://uploads.strikinglycdn.com/files/79d7a5fb-9d54-4a9f-8669-b50b0e0df124/weletodadevufuteluv.pdf
- https://uploads.strikinglycdn.com/files/ecea4490-b5d7-4cd0-8f41-1fa836d4fc21/sosinasisinulome.pdf
- https://uploads.strikinglycdn.com/files/99f625ca-b317-4f52-9c6f-1ed2c74acabb/zenurivixiwewoxirisezi.pdf
- https://uploads.strikinglycdn.com/files/c5e0ec6a-8e23-402f-8086-9830d1bd8b62/84997758075.pdf
- https://uploads.strikinglycdn.com/files/16d15644-4cc9-4691-88d8-fab015bb5d13/92983336458.pdf
- https://cdn.shopify.com/s/files/1/0432/2417/0659/files/33690845226.pdf
- https://cdn.shopify.com/s/files/1/0479/6445/5079/files/circuit_symbols_matching_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0478/1791/6575/files/97345522290.pdf
- https://cdn.shopify.com/s/files/1/0484/9929/4363/files/gowukekepojegulawuzokumuf.pdf
- https://cdn-cms.f-static.net/uploads/4367944/normal_5f87bfa55d5b9.pdf
- https://cdn-cms.f-static.net/uploads/4368246/normal_5f89ccd03a4ab.pdf
- https://cdn-cms.f-static.net/uploads/4369633/normal_5f88940ad14ce.pdf
- https://cdn-cms.f-static.net/uploads/4372354/normal_5f8a854985742.pdf
- https://cdn-cms.f-static.net/uploads/4365662/normal_5f87d3dfb3ca9.pdf
- https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/1690874.pdf
- https://jurizimobijagi.weebly.com/uploads/1/3/0/8/130874317/suravosu_losaxa_rifesudij.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/belapigojat.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/fesixukorupu.pdf
- https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/kufulidagagalazupowu.pdf
- https://cdn.shopify.com/s/files/1/0479/3247/3500/files/16981423826.pdf
- https://cdn.shopify.com/s/files/1/0483/3571/6515/files/st_bridget_12_year_prayer_you_tube.pdf
- https://cdn.shopify.com/s/files/1/0437/4685/3016/files/jewidemu.pdf
- https://cdn.shopify.com/s/files/1/0430/3683/5993/files/nth_term_test_for_divergence.pdf
- https://uploads.strikinglycdn.com/files/a5066c04-91a7-4750-9c7d-073f896df105/liwokazajaxage.pdf
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- cdn-cms.f-static.net
- lefedatit.weebly.com
- jurizimobijagi.weebly.com
- guwomenod.weebly.com
- jakedekokobara.weebly.com
- wefamojugibe.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.154.63.210
- 20.50.201.204
- 20.247.184.142
- 74.178.76.44
- 52.110.12.3
- 4.230.171.124
- 203.26.79.13
- 20.165.94.63
- 74.179.77.164
- 20.76.201.171
- 40.103.64.242
- 52.123.128.14
- 135.233.45.221
- 48.192.143.121
- 20.165.94.46
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report