MALICIOUS — normal_5f88a0916a1f6.pdf
MALICIOUS — normal_5f88a0916a1f6.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 3 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
6ba5b4f2cd45b0d0be8db5f658b1898b804b912da53e29ed9e63d785e679cf60 - SHA-1:
376faffe35d913393d46be9d14102c8385691692 - MD5:
41acb627e9b8a87fac9fb121ea125c2e - ssdeep:
768:8gGzpDupBW5JwmOjp8+fKQpC+EPKE8KjBdmZGo4PjBrnx8RM3p01kyizwdQ:ZGFapBW6E82BdyGoGdrn2u3p015EwdQ - TLSH:
T103318DF3509BED4CBA83CB176DAA2469518AC388A137DB6044CD277DD5BCABD6F00850 - Submitted as: normal_5f88a0916a1f6.pdf
- File type: pdf · Size: 42912 bytes
- Verdict: malicious (96/100)
Detections (3 of 50 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 96/100 is the fusion of 9 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Contacted 33 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/438f46c9-8165-4036-bd29-2b3c643b1699/29922063404.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=pte+score+guide+equal+to+ielts, https://uploads.strikinglycdn.com/files/438f46c9-8165-4036-bd29-2b3c643b1699/29922063404.pdf, https://uploads.strikinglycdn.com/files/02d0e3b7-58c9-460d-b822-04564e4422f5/rovikubumepilu.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9774 behavior events · 1 ATT&CK techniques · 4 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
- 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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787100733&P2=404&P3=2&P4=CbONhbQstPfK28%2byftJ%2f1b16cz0unrwec5S2mAyKnAdsr%2bQa9YBe%2bb3i2%2bbOG0QB4yrelG0spA1Y6O1At%2bDiQg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/58b2a9b1-8570-476c-a7c2-f7ab0a20fbf9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/58b2a9b1-8570-476c-a7c2-f7ab0a20fbf9?P1=1787100792&P2=404&P3=2&P4=d6Ze1SWA84wtWaeQOQuqfFDwdJuYiU%2bCzL3qavffQjQVeZFwe%2bjSzZ%2bRLiJYSryP6snR%2f4bi88nlAJkQJjTjww%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.209
- 23.11.37.157
- 40.126.14.160
Dropped files
- /opt/CAPEv2/storage/analyses/30988/files/1030e9254e75955ce79ca44ed5b884b300d0af1a15e17c35423e9fa5d012720d -
1030e9254e75955ce79ca44ed5b884b300d0af1a15e17c35423e9fa5d012720d - /opt/CAPEv2/storage/analyses/30988/files/96e3765861f4969922cab1bc98356b89f7a485dfc6637e601202f5538f217889 -
96e3765861f4969922cab1bc98356b89f7a485dfc6637e601202f5538f217889 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.A7OUMWXbBE -
8ee0da55728439fd7521d5b594c5531f2ba20f087820fb3f3561965fd459ae57
Embedded URLs
- https://gettraff.ru/123?keyword=pte+score+guide+equal+to+ielts
- https://uploads.strikinglycdn.com/files/438f46c9-8165-4036-bd29-2b3c643b1699/29922063404.pdf
- https://uploads.strikinglycdn.com/files/02d0e3b7-58c9-460d-b822-04564e4422f5/rovikubumepilu.pdf
- https://uploads.strikinglycdn.com/files/9db68f64-5d0d-4527-ad11-1a366db03e58/liwatowexuli.pdf
- https://cdn.shopify.com/s/files/1/0496/5875/7277/files/13759575078.pdf
- https://cdn-cms.f-static.net/uploads/4366336/normal_5f872ea752935.pdf
- https://cdn-cms.f-static.net/uploads/4367642/normal_5f888fdea7dd8.pdf
- https://cdn-cms.f-static.net/uploads/4367005/normal_5f874320af289.pdf
- https://cdn-cms.f-static.net/uploads/4367294/normal_5f883988e70a3.pdf
- https://cdn-cms.f-static.net/uploads/4367633/normal_5f8747dabfb0a.pdf
- https://cdn-cms.f-static.net/uploads/4370073/normal_5f884ff3da33e.pdf
- https://cdn-cms.f-static.net/uploads/4369909/normal_5f889d31b1f5d.pdf
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f87e511c805f.pdf
- https://cdn-cms.f-static.net/uploads/4366984/normal_5f879b02ac7d8.pdf
- https://cdn.shopify.com/s/files/1/0427/9926/8003/files/ark_gamma_broodmother_command.pdf
- https://cdn.shopify.com/s/files/1/0435/3117/4043/files/73494414599.pdf
- https://cdn.shopify.com/s/files/1/0499/5540/5992/files/porivaxajenovikava.pdf
- https://cdn.shopify.com/s/files/1/0429/1677/4054/files/megaman_x_mavericks_final_2.0.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/debizikirapanas.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/zikarab.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/
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- cdn-cms.f-static.net
- vuxozajuje.weebly.com
- dutitujazekap.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.253.84.76
- 52.110.12.40
- 52.110.12.20
- 4.230.171.124
- 52.168.112.66
- 20.236.44.162
- 74.179.77.204
- 40.99.134.2
- 52.123.129.14
- 135.234.160.246
- 72.145.35.115
- 203.26.79.13
- 52.123.252.195
- 74.178.76.44
- 4.150.223.111
- 74.178.240.61
- 4.150.223.107
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report