SUSPICIOUS — 64557444256.pdf
SUSPICIOUS — 64557444256.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:
6e9323fb0a1d7fd96014ce428f93a260d43a93eff4f1e6fa8f81964526f6ba64 - SHA-1:
14defda6cbfcf760c13131c3709eb802dbbcbf27 - MD5:
8742b54853c802dd58c5d14813697cfa - ssdeep:
768:HgGzpDelrx6OS5yHUL9MM9kDtubtV5nmqcC+Z0biGJNpvC+93dA+VM/vHuIb+Qw+:AGFqXthpekDAwCK+/9cHR+jMQ7R2Hrn - TLSH:
T1FC35BEF3548BDD4CAA87A743ACE71058515AC3C86233DB6059C83A3DC4BC6BDAE41A31 - Submitted as: 64557444256.pdf
- File type: pdf · Size: 62539 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 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=patient+registration+form+template+pdf, http://files.yesandventure.com/uploads/1/3/2/3/132302810/vaminilupamodus.pdf, http://files.mysugardumplings.com/uploads/1/3/1/4/131438694/5685588.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)
9783 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._dosvc._tcp.local
- ntp.ubuntu.com
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787779087&P2=404&P3=2&P4=FN%2fHGzcYM7ud4wi8r1oPiVqv3Wpuay%2bZBHsQzIWgMmWhXCTj33EtS6jHe1hOaZdUKy0laNcQ94gjxnsRpprwig%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787779125&P2=404&P3=2&P4=HErOdd5tbqHAtXsgbS5H%2fQub%2b7ZOMo8Khau2McH811vOktGIeEbpPM1Fh5X05cVdhuowjXDMzRjD3NvK28KS%2bw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b3a0fe03d98b73eeb058784c6e1898f126b7aaff1f9c46641ab0d60d35632a64 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\764841dcf3258a99daec894d6cc89654.png -
81f7d5366c455995e9b41dc7bcaea21dac42133dbf39ea1f57d60afa0ff53045 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=patient+registration+form+template+pdf
- http://files.yesandventure.com/uploads/1/3/2/3/132302810/vaminilupamodus.pdf
- http://files.mysugardumplings.com/uploads/1/3/1/4/131438694/5685588.pdf
- http://kurumikiw.valerie-beaulieu.ca/uploads/1/3/2/8/132816117/6923169.pdf
- http://subipal.eyeslikemineinc.org/uploads/1/3/1/4/131406211/6982146.pdf
- https://site-1036678.mozfiles.com/files/1036678/buxidebarabo.pdf
- https://site-1037899.mozfiles.com/files/1037899/48935956259.pdf
- https://site-1036832.mozfiles.com/files/1036832/7034627197.pdf
- https://site-1037207.mozfiles.com/files/1037207/81080272004.pdf
- https://site-1036656.mozfiles.com/files/1036656/15102138018.pdf
- http://files.thisnthattoollc.com/uploads/1/3/2/6/132683246/662585cc57.pdf
- http://files.writethegoodfuture.org/uploads/1/3/0/7/130739658/kabora_lirakogi_dekozogovit_zanuwuvokavume.pdf
- http://files.centralsprings.net/uploads/1/3/0/7/130775845/9713608.pdf
- http://vusivafuz.michellesbargainstyle.com/uploads/1/3/0/7/130776445/1907050.pdf
- http://files.barrywenger.com/uploads/1/3/0/8/130874328/fojotajepokomi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53059057271.pdf
- https://cdn.shopify.com/s/files/1/0437/5655/2343/files/sedaxuw.pdf
- https://cdn.shopify.com/s/files/1/0430/2379/4337/files/zekatikozupamox.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
Embedded domains
- cctraff.ru
- files.yesandventure.com
- files.mysugardumplings.com
- kurumikiw.valerie-beaulieu.ca
- subipal.eyeslikemineinc.org
- site-1036678.mozfiles.com
- site-1037899.mozfiles.com
- site-1036832.mozfiles.com
- site-1037207.mozfiles.com
- site-1036656.mozfiles.com
- files.thisnthattoollc.com
- files.writethegoodfuture.org
- files.centralsprings.net
- vusivafuz.michellesbargainstyle.com
- files.barrywenger.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 52.230.59.222
- 57.155.104.224
- 4.230.171.124
- 20.165.94.63
- 74.178.240.51
- 52.123.128.14
- 135.234.160.245
- 52.123.252.223
- 72.145.35.110
- 203.26.79.13
- 57.155.101.212
- 20.184.175.13
- 13.89.179.12
- 48.192.143.121
- 142.250.207.3
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report