MALICIOUS — thinking_mathematically_7th_edition.pdf
MALICIOUS — thinking_mathematically_7th_edition.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:
9d83f74a3134c2112a4a2527eb3ffd3217d7fab3925e28f01186380a9fc64566 - SHA-1:
76442053f195393fa70b8c50cddf066cb185a104 - MD5:
eaff2ea13326e923839088635714fbb3 - ssdeep:
768:a5gGzpDnpc0YtwiufjdBx2ZxNvO7yA6Vpi+evIsBsi09OHpq6hp:ZGFDpLOjvGyhVpi+JZixHpq6hp - TLSH:
T173318DF35197EC8C7AC6AB136DB6256C508AC64D2236D370548C6B2DD4BCABCAF10960 - Submitted as: thinking_mathematically_7th_edition.pdf
- File type: pdf · Size: 40295 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 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/dffdb080-4acb-48f0-8a1e-006261c64613/guvuzawukafu.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=thinking+mathematically+7th+edition, https://uploads.strikinglycdn.com/files/dffdb080-4acb-48f0-8a1e-006261c64613/guvuzawukafu.pdf, https://uploads.strikinglycdn.com/files/4ff3458f-8309-4093-ba3c-fc9c5e765ca7/5415933649.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9799 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
- 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=1787773606&P2=404&P3=2&P4=WkxCDyVYN%2biy%2b9hJUc5d9nszB7PWrL%2bkrHlZT7rNCkbmGoMGH%2bsRQks2n5e%2b1pCVvMmRcEOJQJucy%2fGAIHVXgw%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=1787773677&P2=404&P3=2&P4=F4Y0kgZ8Ayh7hfE%2b%2fawk8qUSjzHE1zti%2bUxZb2pEmSy2YcwhYg82pKC0ew50UqzPuA00hDMLXthzr1Xo6M%2f5PA%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
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787170391&P2=404&P3=2&P4=FmXWoK0OXvwR%2bhSEYduK9NknwqUP3fuoJcqMoYw8N%2fa8Y9EEAjYfKwlayI8HrrWN6De3lV8EbXfCCl3IhIrmIA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c8c29fc4b00e45369b083dcf05339b2b.png -
dcb0b1cc01ade9660daabf003c71d384d682375d843df94b95116e15755e9145 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1ce8d76122fbfd7dc6419cc2040d45cf57f2dd9e45b3c98e95d58b3c9aea03f7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=thinking+mathematically+7th+edition
- https://uploads.strikinglycdn.com/files/dffdb080-4acb-48f0-8a1e-006261c64613/guvuzawukafu.pdf
- https://uploads.strikinglycdn.com/files/4ff3458f-8309-4093-ba3c-fc9c5e765ca7/5415933649.pdf
- https://uploads.strikinglycdn.com/files/66b3a969-e0e3-4b11-92b5-f1c5ab649d95/tigefi.pdf
- https://mepetimis.weebly.com/uploads/1/3/1/4/131483418/luroka.pdf
- https://femevidawivuk.weebly.com/uploads/1/3/1/0/131071063/punan.pdf
- https://cdn.shopify.com/s/files/1/0500/2513/6278/files/utorrent_android_download_uptodown.pdf
- https://cdn.shopify.com/s/files/1/0433/5111/3887/files/88626152849.pdf
- https://uploads.strikinglycdn.com/files/e89afc30-6d09-49f5-bd3d-3c39b45887c2/21831122344.pdf
- https://uploads.strikinglycdn.com/files/7fbc9506-fc14-408a-9886-1364c96a7463/metuwokaxobejipin.pdf
- https://uploads.strikinglycdn.com/files/31018e78-4fa3-41ac-8790-cd287f234b06/papojazi.pdf
- https://uploads.strikinglycdn.com/files/1f9c831e-f963-42fa-9c16-ca565e4df58b/68546185367.pdf
- https://uploads.strikinglycdn.com/files/b6780c55-7c7f-47a9-bdcf-ce44a02c217e/gitop.pdf
- https://cdn-cms.f-static.net/uploads/4367286/normal_5f882f41675b5.pdf
- https://cdn-cms.f-static.net/uploads/4377403/normal_5f8a0f85f213b.pdf
- https://cdn-cms.f-static.net/uploads/4365536/normal_5f86f55e02229.pdf
- https://cdn-cms.f-static.net/uploads/4379611/normal_5f8aa2f878aea.pdf
- https://cdn.shopify.com/s/files/1/0432/5382/5694/files/fulagulepa.pdf
- https://cdn.shopify.com/s/files/1/0434/0314/9479/files/64967618465.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- mepetimis.weebly.com
- femevidawivuk.weebly.com
- cdn.shopify.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.234
- 52.123.252.242
- 162.159.142.9
- 52.110.12.22
- 20.247.184.197
- 52.110.12.50
- 4.230.171.124
- 48.211.4.16
- 203.26.79.13
- 74.179.77.164
- 74.179.77.204
- 20.231.239.246
- 52.123.252.246
- 52.123.128.14
- 135.233.95.80
- 172.178.240.161
- 172.170.180.133
- 20.42.65.94
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report