MALICIOUS — fundamentals_of_software_engineering.pdf
MALICIOUS — fundamentals_of_software_engineering.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:
6bc0b2418bd2ed10887d9c225eec90ca1eb2cc6e0529143a646c563d7b731eb8 - SHA-1:
fab616e9b368afe70468ca0ca38d63c76f85e082 - MD5:
b1903c6046a453206a0625d52cf1a7d6 - ssdeep:
768:AgGzpD/pDoB6p9UGBVNEM6OjPOtDIKgB+cXUED5QN1lTTBr3iNRE+dMYaW2jJ3qX:NGFzp0wZVPWc5VIT1r3WHupPjJ3uX - TLSH:
T1B8327EF310A7ED0C798B9B43AEAB155D9089D74CA132ABA045CD7B2CC47C2BD7E50950 - Submitted as: fundamentals_of_software_engineering.pdf
- File type: pdf · Size: 47413 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 15 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/858c710a-31e0-4752-88ef-947d91b1218f/40143758420.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=fundamentals+of+software+engineering, https://cdn-cms.f-static.net/uploads/4388407/normal_5f8e8f5f25a02.pdf, https://cdn-cms.f-static.net/uploads/4381108/normal_5f8e6960b0788.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)
9702 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=1787780930&P2=404&P3=2&P4=R6GL9rR4pHLBkgsIkt2Wo1heD94I4nBF7xnuQZae1qu9AZRs4UuS47lTzKx2ku8sZqWwH185EDEY39AlqUtGXw%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=1787780989&P2=404&P3=2&P4=kaFrl5AKe6ph%2bjzfu6g4pyBc2ywrANfDIkXxuba4bZnJhtQBJABdGLligqftbEwkFdA3efnoyzqFDFesm%2fGUVw%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=1787177765&P2=404&P3=2&P4=WT%2fM9NN06H67UYL%2fYUiHVWa6S4jQiaZpedILoJBk2Gk56g6Bf0LKtnO4pxb9kl3dzl5B1eo6BSASiV2R12mQfw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ad279584de84a730c47946bb5bc06090.png -
108db5ac22abd2695776911a3ce8b310c4adf4810fd29d3dce7193eae4326e9f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
7f1489e6fe14af8f3a355a0d233239c5df1c21273266b49d6fd3fd7d5dff0ac7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=fundamentals+of+software+engineering
- https://cdn-cms.f-static.net/uploads/4388407/normal_5f8e8f5f25a02.pdf
- https://cdn-cms.f-static.net/uploads/4381108/normal_5f8e6960b0788.pdf
- https://cdn-cms.f-static.net/uploads/4384159/normal_5f8f598aa0a44.pdf
- https://cdn-cms.f-static.net/uploads/4378604/normal_5f8a89585e0fa.pdf
- https://cdn-cms.f-static.net/uploads/4366384/normal_5f8f57386081a.pdf
- https://s3.amazonaws.com/wilugugo/parkaya_pravesh.pdf
- https://s3.amazonaws.com/subud/zizixid.pdf
- https://s3.amazonaws.com/pazifetanegapu/analogias_ejemplos.pdf
- https://cdn.shopify.com/s/files/1/0471/0678/5430/files/the_ark_music_venue_ann_arbor.pdf
- https://cdn.shopify.com/s/files/1/0502/2613/5240/files/6821020961.pdf
- https://cdn.shopify.com/s/files/1/0429/9010/8833/files/fordham_university_gpa_acceptance.pdf
- https://cdn.shopify.com/s/files/1/0476/9153/0406/files/left_4_dead_download_google_drive.pdf
- https://uploads.strikinglycdn.com/files/858c710a-31e0-4752-88ef-947d91b1218f/40143758420.pdf
- https://uploads.strikinglycdn.com/files/a29a502d-d395-412b-a4c4-9622ea956131/witegotibadixevo.pdf
- https://uploads.strikinglycdn.com/files/44b0cf68-cdcf-49e8-932a-cb771aa224e0/mareximijegutedasofo.pdf
- https://uploads.strikinglycdn.com/files/83d7a04b-3355-42e1-ad09-a02b148d69d8/zuwumukakifupexam.pdf
- https://uploads.strikinglycdn.com/files/cf1d124c-089e-43e4-8ec2-4c8523f6b6c7/4241355364.pdf
- https://uploads.strikinglycdn.com/files/7aa1c49b-cb08-425d-af80-c471b7dc3287/baptiste_lecaplain_torrent.pdf
- https://uploads.strikinglycdn.com/files/47ebbd96-f2a3-4e61-9ebf-4aa5de9bf5af/kivuneliveluwi.pdf
- https://uploads.strikinglycdn.com/files/b08130c6-8441-4ec9-b6c3-a4f999547f56/22936208106.pdf
- https://uploads.strikinglycdn.com/files/076af90d-3e56-4ef0-add5-4c95cac3061c/97544470637.pdf
- https://uploads.strikinglycdn.com/files/fc98b87c-ddef-417f-a9b3-93fe17982cbd/14725070392.pdf
- https://uploads.strikinglycdn.com/files/7d213f83-fd7e-48d3-b8f2-0a6cf6efb42a/kanolodolovotitabe.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- s3.amazonaws.com
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.117.168
- 4.144.132.114
- 40.84.97.4
- 52.110.12.42
- 4.230.171.124
- 74.178.76.128
- 20.76.201.171
- 52.123.128.14
- 40.99.133.210
- 52.123.252.216
- 72.153.5.130
- 203.26.79.13
- 92.223.78.30
- 20.165.94.46
- 20.50.201.195
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report