SUSPICIOUS — normal_5f8c8d7ada2b3.pdf
SUSPICIOUS — normal_5f8c8d7ada2b3.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:
400874bb502b4dafd4a2f913243174e2deb248818e970d03de5466fddcb64b7a - SHA-1:
d732923d58c5b675a978e62d694317034ea5ab6e - MD5:
bf4af0dcd8b067738e2b1dfe8e1261db - ssdeep:
768:OgGzpDLppYzWJ85I7HjMmmQguR2gKFt5AGCzT2dg6ktwS764Bz:rGFvp+tI7DzmzvDF3AGC/vMS764Bz - TLSH:
T182329EF354ABEE8CBAC66B03DABA1165614AD38C6037A36001C87B1DC4BC6FD6E51D50 - Submitted as: normal_5f8c8d7ada2b3.pdf
- File type: pdf · Size: 44700 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 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=how+to+remove+permissions+password+from+pdf, https://uploads.strikinglycdn.com/files/8b57d1ba-4771-4d64-a912-28c8b65f7aca/68528931042.pdf, https://uploads.strikinglycdn.com/files/772589f3-097b-4d25-a6f4-09cdd0f8bd2b/gebamesudoxawozenovegeka.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9944 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
- ntp.ubuntu.com
- 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\SumatraPDF-settings.txt -
9f97208e9086d2513b1a4fddab87057fc52e111ce168b2e1e3df9c6d2d9b00f4 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e8a05963e6200b240c1d19b72c87f3b0.png -
58c888628d3bfb0419e6d2f7a36e10e07bcb03cfa7221844299cd14c7353f4b9 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=how+to+remove+permissions+password+from+pdf
- https://uploads.strikinglycdn.com/files/8b57d1ba-4771-4d64-a912-28c8b65f7aca/68528931042.pdf
- https://uploads.strikinglycdn.com/files/772589f3-097b-4d25-a6f4-09cdd0f8bd2b/gebamesudoxawozenovegeka.pdf
- https://uploads.strikinglycdn.com/files/c90fe76a-5bd6-4a7a-8101-0b689070fd23/venta_personal_definicion.pdf
- https://desaviguwogo.weebly.com/uploads/1/3/1/8/131871994/fofuvusadefibujuware.pdf
- https://uploads.strikinglycdn.com/files/cb4f8da3-b62a-44f0-92b3-8ecd4c18e7d4/zosopomiditemojeluz.pdf
- https://uploads.strikinglycdn.com/files/7d3e6c3a-37ef-4628-9f41-eca810b04abd/14397650455.pdf
- https://uploads.strikinglycdn.com/files/6d9f7b93-13ed-48f8-a565-45d23195eea2/putosogukeja.pdf
- https://uploads.strikinglycdn.com/files/808ce401-ad0b-46ab-bb16-f75d6ba0ec39/jivunax.pdf
- https://uploads.strikinglycdn.com/files/1631cc2a-8879-46b7-8031-623db155ea33/24530576451.pdf
- https://uploads.strikinglycdn.com/files/056dd43e-4cd9-460b-81d8-59fcb53b3a5e/2966277893.pdf
- https://uploads.strikinglycdn.com/files/4d36d003-11d1-42d1-82e2-d901451d05ce/93328691223.pdf
- https://uploads.strikinglycdn.com/files/903d385d-1b06-4bc8-ae4f-5cdb4446f072/2083678988.pdf
- https://uploads.strikinglycdn.com/files/8a57d45f-5fe0-4d87-8cb9-40f50eba1e7e/vurixogoguzolibot.pdf
- https://uploads.strikinglycdn.com/files/9bc557cd-e0a0-44a1-9cfb-55b7f0bf5125/2176747127.pdf
- https://cdn-cms.f-static.net/uploads/4369182/normal_5f8807d657548.pdf
- https://cdn-cms.f-static.net/uploads/4368762/normal_5f87cd2439a83.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/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- desaviguwogo.weebly.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.153.5.136
- 13.69.109.130
- 52.110.12.32
- 4.230.171.124
- 52.230.60.54
- 135.233.95.144
- 52.168.117.175
- 20.231.239.246
- 135.233.95.80
- 40.99.134.2
- 72.145.35.109
- 52.123.129.14
- 203.26.79.13
- 52.123.252.232
- 52.123.252.218
- 52.123.252.202
- 74.178.232.29
- 142.251.42.99
- 4.209.250.170
- 4.150.223.110
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report