SUSPICIOUS — normal_5f893d364e278.pdf
SUSPICIOUS — normal_5f893d364e278.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
aaaeaa05ccbc7f72bd9cea2b8b36773f929006dedfc4c5f35325b5e6cb0ab6ec - SHA-1:
71edbd4f6d48692406f40f4ea0417ff2e6e26f86 - MD5:
9535bff52c335ed09e4cbc1b7b57a1f9 - ssdeep:
768:8gGzpDdpwawAOaSt8KW9GTw4pX8/Xya4ARXaDiE5wNPSDPURzH0:ZGFxp+qXSSvRX3ElYRzH0 - TLSH:
T1D4307DF35493ED8C3A9AAF03AEA7156D104AC7886136D7A005CC772CD07CAFD6E10A65 - Submitted as: normal_5f893d364e278.pdf
- File type: pdf · Size: 39284 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 25 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=engineering+materials+and+metallurgy+nptel+pdf, https://uploads.strikinglycdn.com/files/91f5532b-190e-4854-a3ca-b559f352540c/nokorizotulovomimumor.pdf, https://uploads.strikinglycdn.com/files/f47a5378-1fa8-4651-9430-0f3d3e00c698/60511409244.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9535 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
- c.pki.goog
- desktop-hsgcbep
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
09acd22582ab297a9dca9def14921ef343dca2d30bf63b73bc7667a53dcef848 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\bbe8ed4e9a1a8d93fe418e04756f1a22.png -
ba86bce1830e6a47c266e0be88521caf8507bdbb5d4529cba2be5de4c349693a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=engineering+materials+and+metallurgy+nptel+pdf
- https://uploads.strikinglycdn.com/files/91f5532b-190e-4854-a3ca-b559f352540c/nokorizotulovomimumor.pdf
- https://uploads.strikinglycdn.com/files/f47a5378-1fa8-4651-9430-0f3d3e00c698/60511409244.pdf
- https://uploads.strikinglycdn.com/files/21e0a4b8-9bf1-4560-b9c2-bd384d135a39/sabeju.pdf
- https://uploads.strikinglycdn.com/files/216833af-5fb6-4913-b0a5-a9afc7e8f9eb/kimifukozifoze.pdf
- https://uploads.strikinglycdn.com/files/2ba20a0b-fae8-4c88-8bfa-9037b573aebe/lapomi.pdf
- https://uploads.strikinglycdn.com/files/e1ed8c9d-2511-419b-8f71-4e4c39d91403/44501133996.pdf
- https://cdn.shopify.com/s/files/1/0478/4947/2159/files/gogamezejutobawevafamed.pdf
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/58157944023.pdf
- https://cdn.shopify.com/s/files/1/0502/8675/6037/files/30967735944.pdf
- https://uploads.strikinglycdn.com/files/7077083f-a079-4cf8-8c1f-19e10925fa08/bitaninitenojija.pdf
- https://uploads.strikinglycdn.com/files/198d0a88-cf09-4230-820b-e8923f5e20f4/vufidakudatem.pdf
- https://uploads.strikinglycdn.com/files/a6c7cdfc-3683-41aa-9771-a359f413dbd5/boxoduwel.pdf
- https://uploads.strikinglycdn.com/files/a98b4e8b-0586-46b4-8e7f-7ee6d396572e/53975352800.pdf
- https://uploads.strikinglycdn.com/files/df0d2024-7bb4-41cc-b098-96c336167c46/fedezefax.pdf
- https://meboguvogo.weebly.com/uploads/1/3/1/4/131437667/8693852.pdf
- https://kinojapi.weebly.com/uploads/1/3/2/3/132302846/namawuni.pdf
- https://cdn.shopify.com/s/files/1/0435/3127/2351/files/63252400286.pdf
- https://cdn.shopify.com/s/files/1/0486/0533/1616/files/xosek.pdf
- https://cdn.shopify.com/s/files/1/0496/7297/8585/files/measure_building_height.pdf
- https://cdn.shopify.com/s/files/1/0482/1811/2154/files/control_panel_wiring.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- meboguvogo.weebly.com
- kinojapi.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 52.123.252.203
- 74.178.240.61
- 4.247.188.224
- 20.42.73.27
- 4.150.223.99
- 52.110.12.15
- 52.110.12.4
- 20.42.179.204
- 4.230.171.124
- 135.232.92.137
- 135.233.95.135
- 20.112.250.133
- 40.103.64.242
- 52.168.112.67
- 52.123.129.14
- 40.99.133.242
- 92.223.78.30
- 135.233.95.80
- 203.26.79.13
- 172.178.240.163
- 142.250.195.163
- 172.170.180.133
- 20.184.175.4
- 135.232.92.34
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report