MALICIOUS — normal_5f875ddeb5b39.pdf
MALICIOUS — normal_5f875ddeb5b39.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:
dac6f91d99c6319d3543570e1257a337be26a3435edd4396e639f6437196d388 - SHA-1:
737692de9931e2d6abcaf6a1183271a1f5366698 - MD5:
3e24c6c1a0308abd7742411e9b7354e9 - ssdeep:
768:JgGzpDHpPKCwZiqDqB1JuyfQPvetB/97OA+s+J/uOEq0XGfeT5x+dNF:qGFTp4iUq5fQPvoBr+IquGfeNx+dNF - TLSH:
T14333BEF7509BDD8CBACA9B135DEA1189858EC349712793A0089D733DC5BC5BE7E008A1 - Submitted as: normal_5f875ddeb5b39.pdf
- File type: pdf · Size: 51393 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 13 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/5ac32525-6f07-4622-a203-36359fc27f48/70462855235.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=gb+insta+download+apk, https://site-1039484.mozfiles.com/files/1039484/gafifu.pdf, https://site-1038510.mozfiles.com/files/1038510/56858611309.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)
9759 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
- 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
- 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
- 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
- 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\SumatraPDF-settings.txt -
b6f21c56398bef6766cf7430aaa7150a78c3f538e585dc8933b48155b1295469 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\728d4329e1e570a44f9a60c31ed736f6.png -
c8fc9293ac8627766181b9962407fe738148d39872ab4f9ee8530f467f168706 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=gb+insta+download+apk
- https://site-1039484.mozfiles.com/files/1039484/gafifu.pdf
- https://site-1038510.mozfiles.com/files/1038510/56858611309.pdf
- https://site-1041413.mozfiles.com/files/1041413/xekunuf.pdf
- https://uploads.strikinglycdn.com/files/5ac32525-6f07-4622-a203-36359fc27f48/70462855235.pdf
- https://uploads.strikinglycdn.com/files/023a1ceb-e5cd-4972-95d5-556de10da05c/buwizofunenibanegijedafij.pdf
- https://uploads.strikinglycdn.com/files/052d4450-fa7c-41ba-9966-5f870cf582c9/kageralibuj.pdf
- https://uploads.strikinglycdn.com/files/4350c4e7-a8d2-4646-aff6-731443a0468e/43577127521.pdf
- https://uploads.strikinglycdn.com/files/236dd0cc-e814-4561-8c06-19621c18b465/56854764850.pdf
- https://site-1039838.mozfiles.com/files/1039838/61278843690.pdf
- https://site-1039935.mozfiles.com/files/1039935/metezagikapulekuralopis.pdf
- https://site-1039661.mozfiles.com/files/1039661/79195375626.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/mofep.pdf
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/f271163d37fbca5.pdf
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/9232432.pdf
- https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/a63fb.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/bamudepekepa_setumazowido.pdf
- https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/41417.pdf
- https://uploads.strikinglycdn.com/files/1aa8410d-2819-4045-8f5e-4bf3e1788753/lewosifagogokid.pdf
- https://uploads.strikinglycdn.com/files/4dda5956-ad1a-4840-b21c-1b81b385e47d/sumiwisimodelalenu.pdf
- https://uploads.strikinglycdn.com/files/4bbd6e46-4745-4200-b7f7-d24b78c04b0c/27852607612.pdf
- https://uploads.strikinglycdn.com/files/e5715d6d-808b-46cf-a1fe-662ac8990b5b/munirurefomokepaku.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/
Embedded domains
- cctraff.ru
- site-1039484.mozfiles.com
- site-1038510.mozfiles.com
- site-1041413.mozfiles.com
- uploads.strikinglycdn.com
- site-1039838.mozfiles.com
- site-1039935.mozfiles.com
- site-1039661.mozfiles.com
- guwomenod.weebly.com
- vilukenuxe.weebly.com
- jawasolasazilem.weebly.com
- jatorogerujew.weebly.com
- vuxozajuje.weebly.com
- pepotoxuxomupav.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 71.0.0.18
- 20.42.65.89
- 52.110.12.54
- 4.230.171.124
- 85.210.193.152
- 20.247.185.124
- 57.155.101.212
- 74.179.77.204
- 20.42.73.26
- 52.123.129.14
- 135.234.160.244
- 203.26.79.13
- 4.150.223.115
- 4.150.223.109
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report