MALICIOUS — 76284048565.pdf
MALICIOUS — 76284048565.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
964e243c2cf44c332f7fb5bdf44108b23b0590e8b60b785e4c6a5afe0ad3bfae - SHA-1:
6bf2c1edeaf5d7827f8a05285a751cfdc1df1aa5 - MD5:
33aeb31223db8923de43bcf83b24d37f - ssdeep:
768:zgGzpDWquYdOMzQop5VBzoAgboFHXOeDruNs45lg9W7nmAuge0Y:MGFyipLTkSXvDKNg9Wrhuge0Y - TLSH:
T13431ADF3959BEC8D6AC69F0399AA2198914AD74C3132E76019DC772CD0B867CBF51820 - Submitted as: 76284048565.pdf
- File type: pdf · Size: 41594 bytes
- Verdict: malicious (72/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/a943bae0-9643-42c4-a66d-487ed601ba01/zidokuw.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=list+of+human+body+parts+and+their+functions+pdf, https://uploads.strikinglycdn.com/files/a943bae0-9643-42c4-a66d-487ed601ba01/zidokuw.pdf, https://uploads.strikinglycdn.com/files/a2de0393-a7af-4bc4-80b5-3ae284585f7c/14125472940.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 (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9715 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
- 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=1787779807&P2=404&P3=2&P4=P7jovzSoRc%2bgk9ltH3VCgb03IgqkDTRtJnm67mIna8cW0Mir6vc0pSM3J364s6OeIWMRNiXbBb9IpOSBqEdekQ%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=1787779889&P2=404&P3=2&P4=A3DI073ZJIv9pJJ0Fjj20PmmmhLuBhr4%2frGoEZNXlvlknk2%2bt2k5ubiRgMxl3D2p88Cf%2bcZX0LaRCI04kykCbg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b92a1cb9f7da0e2866d356d982a4576292f00cd4cb5946de26c60b186ae86e07 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9a6bea622bc441f7b143155a9558b33b.png -
03767f26a5a9eee35e0d7a26f68e04f010f8a90683091c267c6a969818162ecf - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=list+of+human+body+parts+and+their+functions+pdf
- https://uploads.strikinglycdn.com/files/a943bae0-9643-42c4-a66d-487ed601ba01/zidokuw.pdf
- https://uploads.strikinglycdn.com/files/a2de0393-a7af-4bc4-80b5-3ae284585f7c/14125472940.pdf
- https://uploads.strikinglycdn.com/files/d2744d2e-da97-4712-8c41-6f79c763b05a/liguba.pdf
- https://cdn.shopify.com/s/files/1/0431/4585/5137/files/rekorazilan.pdf
- https://cdn.shopify.com/s/files/1/0481/3225/9991/files/simply_spray_fabric_paint_reviews.pdf
- https://cdn.shopify.com/s/files/1/0462/7949/1733/files/jaypee_physiology_book_free.pdf
- https://cdn.shopify.com/s/files/1/0429/5360/5273/files/33782066091.pdf
- https://cdn.shopify.com/s/files/1/0463/5574/2886/files/steam_workshop_cs_go_skins.pdf
- https://cdn.shopify.com/s/files/1/0430/9912/7959/files/32696100326.pdf
- https://site-1036971.mozfiles.com/files/1036971/rizik.pdf
- https://site-1036957.mozfiles.com/files/1036957/xokarololenobu.pdf
- https://site-1036926.mozfiles.com/files/1036926/lixapuxulipafixoxapimogap.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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787779807&P2=404&P3=2&P4=P7jovzSoRc%2bgk9ltH3VCgb03IgqkDTRtJnm67mIna8cW0Mir6vc0pSM3J364s6OeIWMRNiXbBb9IpOSBqEdekQ%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
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1036971.mozfiles.com
- site-1036957.mozfiles.com
- site-1036926.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 40.84.85.40
- 13.69.116.108
- 52.110.12.19
- 4.247.188.233
- 4.230.171.124
- 20.165.94.63
- 74.178.240.51
- 20.76.201.171
- 135.232.92.34
- 40.103.64.242
- 52.123.129.14
- 203.26.79.13
- 172.178.240.162
- 52.123.252.230
- 4.150.223.114
- 104.46.162.231
- 52.123.252.248
- 162.159.142.9
- 142.250.183.35
- 4.209.250.170
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report