SUSPICIOUS — normal_5f87c8a4d95b0.pdf
SUSPICIOUS — normal_5f87c8a4d95b0.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:
7f5186032c6fc25c2d3652fff83bbddf65f467cc7f3a76f55605e5cab2baab77 - SHA-1:
c6992050eaf72cab6c5c8733625c09d5f5d04e2e - MD5:
1e194d94d4a5ade8ea4ba8e233d64f13 - ssdeep:
1536:xGFreGtgSBS+i5h6gilwN+XxIF1KWP4kPv5:UFreG6zLT6u+WF19t5 - TLSH:
T15C34AFF350A7EC8D3AC7EB1769B62428758AC7487132E6644588772CC0BC6BD7F10A60 - Submitted as: normal_5f87c8a4d95b0.pdf
- File type: pdf · Size: 55255 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://ggtraff.ru/123?keyword=free+online+image+file+to+pdf+converter, https://cdn.shopify.com/s/files/1/0431/4575/6821/files/great_falls_mt_music.pdf, https://cdn.shopify.com/s/files/1/0500/0409/9241/files/fetal_fibronectin_collection_instructions.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)
9752 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=1787780475&P2=404&P3=2&P4=Q2tzjx9TSP1JU%2fKKZfqOeCJd5gPJTfa9%2f4AQ5bRHEmuuN6%2f7EtDVJZ65ZspA1zAGu%2fg0GIf1J%2bFqqpN8NUSc8A%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=1787780517&P2=404&P3=2&P4=mJFvxVFL38XG2WTOhvz72sajn0LN0LW2u1z0uDUca5bK0GqXJ59YD9vNgNJx1woGmJ7EdJj9fjB2y8pAIWfk9Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
3f8c9a40fdf64a1f033dd1a1501559922dbfc9f622cfb269579bb5ac03140169 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b3aa07662569ffe6bea13564de748946.png -
f3b2e4b4060a7a772b2e8802f669ee4d9d4cd347f336186068c5a045bcb227bf - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=free+online+image+file+to+pdf+converter
- https://cdn.shopify.com/s/files/1/0488/2061/7381/files/80012993873.pdf
- https://cdn.shopify.com/s/files/1/0431/4575/6821/files/great_falls_mt_music.pdf
- https://cdn.shopify.com/s/files/1/0500/0409/9241/files/fetal_fibronectin_collection_instructions.pdf
- https://cdn.shopify.com/s/files/1/0486/0153/0526/files/fugokidoji.pdf
- https://site-1036791.mozfiles.com/files/1036791/5295295857.pdf
- https://site-1038971.mozfiles.com/files/1038971/33858716745.pdf
- https://site-1042020.mozfiles.com/files/1042020/jowepibukapurapiwole.pdf
- https://site-1048260.mozfiles.com/files/1048260/23875086155.pdf
- https://cdn-cms.f-static.net/uploads/4367631/normal_5f87460786cb3.pdf
- https://cdn-cms.f-static.net/uploads/4365601/normal_5f871152abc89.pdf
- https://cdn-cms.f-static.net/uploads/4368970/normal_5f878c68822ec.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f87c0d4c4727.pdf
- https://cdn-cms.f-static.net/uploads/4365602/normal_5f872a6a6c6f1.pdf
- https://cdn-cms.f-static.net/uploads/4366633/normal_5f875d35d7583.pdf
- https://cdn-cms.f-static.net/uploads/4366668/normal_5f872da14ebbf.pdf
- https://cdn-cms.f-static.net/uploads/4366646/normal_5f8789ab6c77b.pdf
- https://cdn-cms.f-static.net/uploads/4368228/normal_5f87639200206.pdf
- https://cdn-cms.f-static.net/uploads/4365612/normal_5f87465ee6e61.pdf
- https://cdn-cms.f-static.net/uploads/4365620/normal_5f8765c98aaa0.pdf
- https://cdn-cms.f-static.net/uploads/4366384/normal_5f8734b9e11c9.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/
Embedded domains
- ggtraff.ru
- cdn.shopify.com
- site-1036791.mozfiles.com
- site-1038971.mozfiles.com
- site-1042020.mozfiles.com
- site-1048260.mozfiles.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 52.110.12.51
- 57.155.104.224
- 4.230.171.124
- 20.165.94.63
- 20.112.250.133
- 52.123.252.248
- 52.123.128.14
- 52.123.129.14
- 72.153.5.62
- 203.26.79.13
- 74.178.232.29
- 40.79.150.120
- 48.192.143.121
- 20.42.65.90
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report