MALICIOUS — nafebezelebuvuxuxax.pdf
MALICIOUS — nafebezelebuvuxuxax.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
04285d54c37b160df0002b0567ea31d2c634f0745b4e9d840d4d98e14da41ddd - SHA-1:
4f4f857eb1c908647da7436d8a957454a5d42a21 - MD5:
015ef142152f583bd3c73acff1336e8e - ssdeep:
768:cgGzpD8wXoHo/lmU9+fLtLDqtrSEY1BlV+4IOsG4OjfTZxlo3hlO8Hx:5GFAwXoHumU92FDqtWePOjfblo3vO0x - TLSH:
T19C338DF340B3ED4CBAC79B13ADAA25695189D7486132D76455CC2B2CC4BC2BD3F01A51 - Submitted as: nafebezelebuvuxuxax.pdf
- File type: pdf · Size: 47652 bytes
- Verdict: malicious (86/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 86/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: https://wejibuxod.weebly.com/uploads/1/3/0/7/130740202/wawer.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/wb?keyword=ketogenic%20recipes%20pdf, https://uploads.strikinglycdn.com/files/eefe4388-f73d-4303-9bb6-3266a4cb8b0f/zuwufalatu.pdf, https://uploads.strikinglycdn.com/files/fcf8f809-8bb0-4df4-b233-ef2bc758944d/xexuji.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9644 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 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
- 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
- disc601.prod.do.dsp.mp.microsoft.com
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\26376b88244d864825bf4ae266868323.png -
8cd81436dcad627df4363096c710ac0aba9d9b9799141bc9a8869cc5ac080ec3 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9f03225b016749c408384e46a851c93a78d9cc3904d17365bc642efa045c1376 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/wb?keyword=ketogenic%20recipes%20pdf
- https://uploads.strikinglycdn.com/files/eefe4388-f73d-4303-9bb6-3266a4cb8b0f/zuwufalatu.pdf
- https://uploads.strikinglycdn.com/files/fcf8f809-8bb0-4df4-b233-ef2bc758944d/xexuji.pdf
- https://uploads.strikinglycdn.com/files/3905f3e1-8e5e-4935-bf2a-fc73deaff47f/98812430726.pdf
- https://uploads.strikinglycdn.com/files/49bb2852-6796-4cad-974b-aa9eb22dd3db/mojeteb.pdf
- https://uploads.strikinglycdn.com/files/d943cbd3-56fb-45f2-9390-16b54d8a83db/fevuj.pdf
- https://s3.amazonaws.com/zijivevip/aspectos_biologicos_de_la_adolescencia.pdf
- https://s3.amazonaws.com/rozebofukixus/bajotobesexilumakozobunaz.pdf
- https://s3.amazonaws.com/zobuwubedak/44646579397.pdf
- https://s3.amazonaws.com/jotizifime/linigiril.pdf
- https://wejibuxod.weebly.com/uploads/1/3/0/7/130740202/wawer.pdf
- https://xukanimuwuvam.weebly.com/uploads/1/3/2/6/132696198/ae008302e15cf6b.pdf
- https://norudajesopoz.weebly.com/uploads/1/3/4/3/134340776/1972566.pdf
- https://gomamatugapisum.weebly.com/uploads/1/3/4/3/134392688/rojewejapamoname.pdf
- https://cdn-cms.f-static.net/uploads/4374181/normal_5f8bc23461ac3.pdf
- https://cdn-cms.f-static.net/uploads/4369901/normal_5f935d1bac600.pdf
- https://cdn-cms.f-static.net/uploads/4393641/normal_5f8ef297c6221.pdf
- https://cdn-cms.f-static.net/uploads/4407729/normal_5f924918206e6.pdf
- https://uploads.strikinglycdn.com/files/38e47194-9650-4bdf-872f-ad5da27ea955/40712940941.pdf
- https://uploads.strikinglycdn.com/files/a7ab3644-a8aa-4d61-b90e-e4b7613b43a9/gopenuxebefivenav.pdf
- https://uploads.strikinglycdn.com/files/070364b1-a207-449f-bc99-f7d1ac67e030/82981971179.pdf
- https://s3.amazonaws.com/nigimul/vazegeromepejanugozoza.pdf
- https://s3.amazonaws.com/peveziwoguxuzam/bureaucracy_characteristics.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- s3.amazonaws.com
- wejibuxod.weebly.com
- xukanimuwuvam.weebly.com
- norudajesopoz.weebly.com
- gomamatugapisum.weebly.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.96
- 52.168.117.170
- 20.247.184.197
- 52.123.252.194
- 52.110.12.5
- 92.223.78.30
- 85.210.196.11
- 74.178.240.51
- 135.233.95.144
- 72.153.5.132
- 203.26.79.13
- 52.123.129.14
- 40.84.85.40
- 40.99.133.242
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report