SUSPICIOUS — 12568898065.pdf
SUSPICIOUS — 12568898065.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:
31e6541e6e82fd4bc0392abc7fa318defc8ceb2d94188115574ec773ef727edd - SHA-1:
df91e601c51a9ff49e4e098d2f297170ffb04a6d - MD5:
7f380601cd8d13eb30a9f77b8823de6a - ssdeep:
768:ngGzpD2G11OrJ9NU6yDjiSY9ztpXWpZgU3KJxrIfu1d9NUohS8psEa:gGF6GirJTUhDGPGPJIxrIf8d9TsEa - TLSH:
T13834BEF31263DC4C6A926B0399E611155186C78CA237ABB45CD83ABDC4BC1FEAF50960 - Submitted as: 12568898065.pdf
- File type: pdf · Size: 52720 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 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=after+the+fall+arthur+miller+pdf, http://files.jhaveriweeks.com/uploads/1/3/1/3/131381976/8c6044910c37.pdf, http://files.beingfrankblog.com/uploads/1/3/1/4/131407549/c68ab8b55c44f2.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9822 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- 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 -
b612a460fe526eee9d11d8f74caa6a44bc35da508b0276e41d5cc0cb62f844ab - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\3f96a3a3dddb69f5ac162badb0a5d35b.png -
88ec7ad4c037ff862191bdb81520661e0447f443a050f0caf2ec7e07328960d4 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=after+the+fall+arthur+miller+pdf
- http://files.jhaveriweeks.com/uploads/1/3/1/3/131381976/8c6044910c37.pdf
- http://files.beingfrankblog.com/uploads/1/3/1/4/131407549/c68ab8b55c44f2.pdf
- http://towutad.theequineadvisor.com/uploads/1/3/0/8/130873877/848f9b.pdf
- http://files.apollosgeckos.com/uploads/1/3/0/7/130775130/6012507.pdf
- https://site-1037235.mozfiles.com/files/1037235/xilunudefutosekes.pdf
- https://site-1038331.mozfiles.com/files/1038331/23237878685.pdf
- https://site-1036632.mozfiles.com/files/1036632/birixumepitokedapivapip.pdf
- https://site-1037094.mozfiles.com/files/1037094/zipeborore.pdf
- https://site-1037916.mozfiles.com/files/1037916/60111253650.pdf
- http://files.basketballpantheon.com/uploads/1/3/1/3/131397997/dikijuf.pdf
- http://files.rosiefowler.com/uploads/1/3/0/9/130969241/bamilegag.pdf
- http://files.raynorshinebooks.com/uploads/1/3/0/9/130969211/kojisad.pdf
- https://uploads.strikinglycdn.com/files/3c22527b-f380-4732-b75d-d7411ed4cc1d/ragibakizejedolowupapem.pdf
- https://uploads.strikinglycdn.com/files/608b3977-155c-446e-ab46-a34185b48270/34990968904.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
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- files.jhaveriweeks.com
- files.beingfrankblog.com
- towutad.theequineadvisor.com
- files.apollosgeckos.com
- site-1037235.mozfiles.com
- site-1038331.mozfiles.com
- site-1036632.mozfiles.com
- site-1037094.mozfiles.com
- site-1037916.mozfiles.com
- files.basketballpantheon.com
- files.rosiefowler.com
- files.raynorshinebooks.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.218
- 40.74.98.199
- 48.211.4.16
- 40.84.97.4
- 52.110.12.26
- 52.230.60.54
- 4.230.171.124
- 74.178.76.128
- 20.112.250.133
- 52.123.252.197
- 135.233.95.80
- 203.26.79.13
- 135.234.160.245
- 52.123.252.230
- 92.223.78.30
- 40.84.85.40
- 20.42.73.30
- 4.209.250.170
- 20.184.175.1
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report