MALICIOUS — f55bf4143a.pdf
MALICIOUS — f55bf4143a.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:
ff69ce67c97a64773c8d0bb4a6aace1bafcd09b0739613fe710a6cfeda39bef6 - SHA-1:
8cc91b44f176c0090ce5e3ca7abfe5b08ae33a7b - MD5:
15336f89920365a31ff5fd50d110a5de - ssdeep:
768:dgGzpDhpEkrSyHKC87SCNcXTa+v5CG0Hxq9VQ4EYw/0bBvhBF4nhIUkpU:eGFtpEMTTxCbq9e4PsuvgIUkpU - TLSH:
T193328EF320ABEC8C7ACBAB13AD7711962589C78D62365B5044C8772C94BC2AD7E50D21 - Submitted as: f55bf4143a.pdf
- File type: pdf · Size: 46028 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://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/xizaxamuxive.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 13 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/wb?keyword=hojas%20de%20esquemas%20de%20mayor%20para%20imprimir%20pdf, https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/xizaxamuxive.pdf, https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/zanipixon.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9643 behavior events · 1 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
- 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
- desktop-hsgcbep
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
- desktop-hsgcbep(2)._dosvc._tcp.local
- 255.255.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
08d3a0d6bff30a132314dfc80befd0782a7a12ad5057866229d2d76bd2d650ea - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ca93b34dd4c9c9a76886ec48ec945062.png -
4ca7b3ecfc8cd4050cc983ac2b0cf2d7476acb1785e01e27f320b114b26edc25 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/wb?keyword=hojas%20de%20esquemas%20de%20mayor%20para%20imprimir%20pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/xizaxamuxive.pdf
- https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/zanipixon.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/36ce75ac.pdf
- https://tugajepefur.weebly.com/uploads/1/3/1/4/131453805/3326343.pdf
- https://cdn-cms.f-static.net/uploads/4368497/normal_5f889eafce57a.pdf
- https://cdn-cms.f-static.net/uploads/4374699/normal_5f8a246ca8f1c.pdf
- https://cdn-cms.f-static.net/uploads/4379959/normal_5f8b5370eef1c.pdf
- https://cdn-cms.f-static.net/uploads/4367938/normal_5f88da5830ab7.pdf
- https://cdn-cms.f-static.net/uploads/4377905/normal_5f8b5cb5c66fa.pdf
- https://cdn-cms.f-static.net/uploads/4366358/normal_5f8b75595682c.pdf
- https://cdn-cms.f-static.net/uploads/4367668/normal_5f895489b21b0.pdf
- https://cdn-cms.f-static.net/uploads/4366018/normal_5f8737b756892.pdf
- https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/5663682.pdf
- https://kagilovudugavap.weebly.com/uploads/1/3/1/1/131164538/buvegup_koxewifi.pdf
- https://mapipuluzobeb.weebly.com/uploads/1/3/1/3/131398440/fewoxepiduxemus.pdf
- https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/wenit-nemazemefo-vunorodavebiwap.pdf
- https://jikeberu.weebly.com/uploads/1/3/1/8/131857846/3406880.pdf
- https://balejumefem.weebly.com/uploads/1/3/0/8/130814467/3761059.pdf
- https://gekeforoka.weebly.com/uploads/1/3/1/4/131438206/gimodutip.pdf
- https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/mofuwonakoj-gugimugepadozub-sunena.pdf
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/metor.pdf
- https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/4160188.pdf
- https://pisanofinupu.weebly.com/uploads/1/3/1/4/131437881/defumewikulopew.pdf
- https://tadeganerusoza.weebly.com/uploads/1/3/1/4/131438541/meraposofemusug-tagelawalob-puxodi.pdf
Embedded domains
- gettraff.ru
- dutitujazekap.weebly.com
- pobezewimo.weebly.com
- tugajepefur.weebly.com
- cdn-cms.f-static.net
- sibakixode.weebly.com
- kagilovudugavap.weebly.com
- mapipuluzobeb.weebly.com
- lagukekejase.weebly.com
- jikeberu.weebly.com
- balejumefem.weebly.com
- gekeforoka.weebly.com
- suganolorifumu.weebly.com
- zoxuzuxebexot.weebly.com
- rabifupokuwu.weebly.com
- pisanofinupu.weebly.com
- tadeganerusoza.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.230.59.222
- 20.42.179.204
- 4.230.171.124
- 20.231.239.246
- 74.179.77.204
- 135.232.92.97
- 135.233.95.80
- 52.123.128.14
- 4.150.223.106
- 52.168.117.168
- 203.26.79.13
- 52.148.114.188
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report