MALICIOUS — normal_5f8705c2935c9.pdf
MALICIOUS — normal_5f8705c2935c9.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
defc5f68a08a634b4f0300df83aa60ba2b7b68dac3ba76f2b0dcb3c6410c8a3b - SHA-1:
32c97da3f2e5a779d8217a821102873b9f4a58bf - MD5:
7b363f6b2b2973b88d923bb146fb4c4b - ssdeep:
768:CgGzpDFpN2lLrq6es0j7ZsLtreICPpq2qmXYESp/kgaRMru+uHpZV1sqx:fGFxpN2hOMlOHkMgcMC+UpZ3sqx - TLSH:
T1CF337CF710A7EE4C7A87AF43AEAB298DA089D348613293A0448C775CC57C36D7F44961 - Submitted as: normal_5f8705c2935c9.pdf
- File type: pdf · Size: 51786 bytes
- Verdict: malicious (72/100)
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 malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365656/normal_5f87042cf0296.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=convulsiones+en+perros+y+gatos+pdf, https://cdn-cms.f-static.net/uploads/4365638/normal_5f870394c33cf.pdf, https://cdn-cms.f-static.net/uploads/4366000/normal_5f8704ba7ffb7.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9673 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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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=1787779112&P2=404&P3=2&P4=DDKCL2jY%2bCcrgZTUacedi0UApQgMZmpGe0LTg5TKSc0NFRU9PLB%2bK1IFtEGmCtObdZ8UElmZx4AiLM23%2fRL%2b2Q%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=1787779140&P2=404&P3=2&P4=iQRkSfyYXrkfx9v5J88xV6tTF0HrL0pCwqiygA6FLjXka6N9ZdYKByCDYXYm%2fAbw%2bbkhPwRBVZgF2x%2fnR2MP5g%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\sumatrapdfcache\d8d22cc7cea3fed74bbf51e20c5c7f72.png -
3c344354316ad0155fe05f8f0c49517df52b0013e35b90ed06ac47623105c368 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
33537ef8cd8aa9eeab5da9215a19c546ff5dc72b052e8d796e5451c42a3b0af9 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=convulsiones+en+perros+y+gatos+pdf
- https://cdn-cms.f-static.net/uploads/4365638/normal_5f870394c33cf.pdf
- https://cdn-cms.f-static.net/uploads/4366000/normal_5f8704ba7ffb7.pdf
- https://cdn-cms.f-static.net/uploads/4365656/normal_5f87042cf0296.pdf
- https://uploads.strikinglycdn.com/files/9a6ed06b-5e5c-4e0a-a78e-e57dd1bd1724/58417747054.pdf
- https://uploads.strikinglycdn.com/files/f6380304-8ea6-4b5f-8093-568d523af8f7/kivap.pdf
- https://uploads.strikinglycdn.com/files/83e47191-9ca6-4a0b-897f-513f43a366ef/81205661783.pdf
- https://uploads.strikinglycdn.com/files/766fbcba-008d-43c7-9e12-69bdc5b71af0/jabamene.pdf
- https://uploads.strikinglycdn.com/files/f4ee5db9-a14c-4cd8-9a0d-aa3fbda671e5/52544491081.pdf
- https://uploads.strikinglycdn.com/files/47240e5c-c8d5-4456-9263-0f2401a163d4/jujebirerafuzo.pdf
- https://uploads.strikinglycdn.com/files/d2723fa1-1243-4a8b-a5d0-5b9cf473f7cc/14105348790.pdf
- https://uploads.strikinglycdn.com/files/e0506b26-5d2c-4807-bbfd-a5812acde655/dinarozogubivel.pdf
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f8701775e7f9.pdf
- https://cdn-cms.f-static.net/uploads/4365652/normal_5f86fc063be65.pdf
- https://cdn-cms.f-static.net/uploads/4366045/normal_5f86fe924bd61.pdf
- https://cdn-cms.f-static.net/uploads/4365627/normal_5f870000614bc.pdf
- https://cdn-cms.f-static.net/uploads/4365660/normal_5f8703f9406da.pdf
- https://site-1040319.mozfiles.com/files/1040319/28572907722.pdf
- https://site-1043335.mozfiles.com/files/1043335/20570076490.pdf
- https://site-1042554.mozfiles.com/files/1042554/terufonujumilata.pdf
- https://site-1043970.mozfiles.com/files/1043970/53285596970.pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/1cf22.pdf
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/vunidixeviro_xitosujitupile_kadape.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/9276785.pdf
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/tebavu_mofevuz_punoxibera_gijipomole.pdf
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- site-1040319.mozfiles.com
- site-1043335.mozfiles.com
- site-1042554.mozfiles.com
- site-1043970.mozfiles.com
- genigudepa.weebly.com
- bedizegoresupa.weebly.com
- dutitujazekap.weebly.com
- keniwuki.weebly.com
- mojivimimujovo.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.247.188.233
- 4.150.223.100
- 52.110.12.18
- 52.110.12.26
- 4.230.171.124
- 20.247.184.197
- 20.165.94.63
- 20.165.94.54
- 20.112.250.133
- 52.123.129.14
- 40.99.134.18
- 4.150.223.102
- 52.123.252.223
- 72.145.35.110
- 203.26.79.13
- 52.123.252.195
- 48.192.143.121
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report