SUSPICIOUS — normal_5f874fd5d5ba7.pdf
SUSPICIOUS — normal_5f874fd5d5ba7.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (56/100). 4 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
85aae827ab253a4d098319f173d718cd06ad219f59d48369c2380de588fe5e1d - SHA-1:
b31c13768253f1888675249d9224a309a6205286 - MD5:
9b3f61439d2d2c702a03a3ff65ddecc7 - ssdeep:
768:rgGzpDwps7h8jUhteoflbF/SLz6po02uD4d0GqP4uWlzfK3VPlP:UGFMpqKqy02uULqP4uWlW3VPlP - TLSH:
T14B317DF300A7ED8C7A8B5F87ADEB16AC6089C3897023975155887A2DC87C5EC7F00665 - Submitted as: normal_5f874fd5d5ba7.pdf
- File type: pdf · Size: 43215 bytes
- Verdict: suspicious (56/100)
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The suspicious score of 56/100 is the fusion of 6 weighted signals:
- Embedded network infrastructure: https://cctraff.ru/123?keyword=como+instalar+tablero+electrico+domiciliario+pdf, https://cdn-cms.f-static.net/uploads/4365549/normal_5f870280a399a.pdf, https://cdn-cms.f-static.net/uploads/4366408/normal_5f870f0a22e91.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 - Contacted 11 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9865 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- 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
- 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
- desktop-hsgcbep(1)._dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\198f8bbad8d1a75f5f5d61f1937086fa.png -
8758488b434f844ba9d5f7a2b95c21c9e17d0a6dfd8ba36872858f208515312f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
5e84a5ec625f0469fc258604b1b71c0feb7fc7222826dc5b8ce249995dfe91ab - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=como+instalar+tablero+electrico+domiciliario+pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f870280a399a.pdf
- https://cdn-cms.f-static.net/uploads/4366408/normal_5f870f0a22e91.pdf
- https://cdn-cms.f-static.net/uploads/4365580/normal_5f873e84dd964.pdf
- https://cdn-cms.f-static.net/uploads/4365580/normal_5f873dff909b0.pdf
- https://cdn-cms.f-static.net/uploads/4365635/normal_5f872c20e313f.pdf
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f87283f56906.pdf
- https://cdn-cms.f-static.net/uploads/4365589/normal_5f86f42a9de41.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f872cf7aaad4.pdf
- https://uploads.strikinglycdn.com/files/f98a5afc-c9be-42be-a37d-272fd2335125/29580861282.pdf
- https://uploads.strikinglycdn.com/files/211466b6-3b13-445e-b61c-64194def6415/lebiduxopopujorapigukarax.pdf
- https://uploads.strikinglycdn.com/files/fa4f45de-b0f9-4e4a-ab23-1f7552c3466d/tikupadasuxodifujaf.pdf
- https://site-1038497.mozfiles.com/files/1038497/jaxonotaligozigumag.pdf
- https://site-1039409.mozfiles.com/files/1039409/26979606429.pdf
- https://site-1037849.mozfiles.com/files/1037849/83821415550.pdf
- https://cdn.shopify.com/s/files/1/0482/6985/2833/files/sotosamusezofobetiwedituk.pdf
- https://cdn.shopify.com/s/files/1/0481/5244/5079/files/dowd_ymca_swim_classes.pdf
- https://uploads.strikinglycdn.com/files/f3050712-2e64-49da-951b-35e5b0c17425/ligijawubufakuwusi.pdf
- https://uploads.strikinglycdn.com/files/65efcdee-e5bd-4257-9141-b46843300553/papufokubukofituz.pdf
- https://uploads.strikinglycdn.com/files/6d6bc088-cd09-4d10-abe4-4c908e46890d/45328685945.pdf
- https://uploads.strikinglycdn.com/files/3aa091bd-df96-4b70-803d-3a4a81692034/tujokujakitura.pdf
- https://uploads.strikinglycdn.com/files/e65e98d0-31b8-461b-b3b9-b1ce9fa581a4/75147616009.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
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- site-1038497.mozfiles.com
- site-1039409.mozfiles.com
- site-1037849.mozfiles.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.145.35.96
- 20.184.175.10
- 52.110.12.30
- 52.230.60.54
- 4.230.171.124
- 135.233.45.222
- 74.179.77.204
- 74.179.77.164
- 20.184.175.8
- 162.159.36.2
- 203.26.79.13
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report