SUSPICIOUS — 5f8ae81e80f8d5.pdf
SUSPICIOUS — 5f8ae81e80f8d5.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 2 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
7b7008130ceb5236a0e99e523da92f5d94eaa36765b91d8c08a1017bbe654d9c - SHA-1:
ba9d5ee612a66812ecb4cb80bf36079c05536460 - MD5:
b2022ed788a9e0c307f061bbd45a0f2d - ssdeep:
768:bgGzpD1p+e+Z0nHTpEHSluGTOipqWdJ2ZpEWYjFv0XJ21C53gzFPF0i+ceC:kGFRpHUGSQVJKpuj6353glF0i+cB - TLSH:
T1BD328EF350DBDD4C7A537B975CA60651600986CAB123EB6430C8772E94BC2BDEF208A1 - Submitted as: 5f8ae81e80f8d5.pdf
- File type: pdf · Size: 46097 bytes
- Verdict: suspicious (68/100)
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 suspicious score of 68/100 is the fusion of 6 weighted signals:
- Contacted 19 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/wb?keyword=wurzel%20ziehen%20aufgaben%20pdf, https://cdn.shopify.com/s/files/1/0481/3370/1781/files/57415103371.pdf, https://cdn.shopify.com/s/files/1/0498/3413/1655/files/sensationail_gel_express_instructions.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9705 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
- ntp.ubuntu.com
- desktop-hsgcbep
- 250.255.255.239.in-addr.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
- 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
- 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\sumatrapdfcache\5d4c0ac688f6ce0733b095809f5f0d48.png -
001a357e38b6fd5e3c5f7e2eb540e1cc7b1fc0630eeffdb491de176d0a065a67 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1a02ba0fd4ca02b668d8e9a267c0cb23d2b6b39fc6ae16c7bed3bcde81c8c369 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/wb?keyword=wurzel%20ziehen%20aufgaben%20pdf
- https://cdn.shopify.com/s/files/1/0481/3370/1781/files/57415103371.pdf
- https://cdn.shopify.com/s/files/1/0498/3413/1655/files/sensationail_gel_express_instructions.pdf
- https://cdn.shopify.com/s/files/1/0499/0851/4974/files/pumpkin_productivity_study_planner_free.pdf
- https://cdn.shopify.com/s/files/1/0268/8555/4345/files/read_pythonminer.pdf
- https://cdn-cms.f-static.net/uploads/4375889/normal_5f8fb442af72c.pdf
- https://s3.amazonaws.com/rimepusox/romuvidugemegenap.pdf
- https://s3.amazonaws.com/gupuso/reading_comprehension_grade_1.pdf
- https://cdn-cms.f-static.net/uploads/4379844/normal_5f8bb3d2070ee.pdf
- https://cdn-cms.f-static.net/uploads/4380682/normal_5f8bea868f3f9.pdf
- https://cdn-cms.f-static.net/uploads/4366659/normal_5f879dd5cb55e.pdf
- https://cdn-cms.f-static.net/uploads/4370073/normal_5f8b103143ced.pdf
- https://uploads.strikinglycdn.com/files/60d54427-4f2e-4e96-9c02-166194e88173/miveninaj.pdf
- https://uploads.strikinglycdn.com/files/75ea1623-d104-411a-a936-0dcc160e7023/62312667450.pdf
- https://uploads.strikinglycdn.com/files/b0d55b0a-cafa-4a04-8924-4bd856f08a05/keparixobas.pdf
- https://uploads.strikinglycdn.com/files/27bbde6f-052e-4f9a-9002-ba24e2dafcc9/signifie_avoir_un_compte_bancaire.pdf
- https://uploads.strikinglycdn.com/files/94b5968d-36af-45e0-b851-3a28abe999dd/vugesimuxibodit.pdf
- https://s3.amazonaws.com/wilugugo/90029256775.pdf
- https://s3.amazonaws.com/sugaguxagu/faramuxewowizikibujibepu.pdf
- https://s3.amazonaws.com/henghuili-files/79392425991.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/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
Embedded domains
- gettraff.ru
- cdn.shopify.com
- cdn-cms.f-static.net
- s3.amazonaws.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.111
- 20.42.65.89
- 135.232.92.34
- 52.178.17.232
- 172.66.2.5
- 20.42.179.204
- 4.230.171.124
- 40.84.85.40
- 135.232.92.137
- 20.112.250.133
- 52.123.129.14
- 52.123.252.215
- 52.182.143.212
- 72.154.7.102
- 203.26.79.13
- 52.123.252.245
- 92.223.78.30
- 52.148.114.188
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report