SUSPICIOUS — normal_5f870b862412d.pdf
SUSPICIOUS — normal_5f870b862412d.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:
72a89fe548fa66f916dc80f3a37b89c492c18f49a3c680dc856931523a75307b - SHA-1:
2c6ea1d2f919eda66764e57300ae8b611046f10c - MD5:
541004a469663cf640d385036d9db52a - ssdeep:
768:NgGzpDRpA2iGdHJF+B/q38pw4MinBVwwk+FBFddWDnCvOjXAJtTaHs9+mgbkC:uGFdpAdywkLnvEJwM9+makC - TLSH:
T14932AEF75497FD8C3A8B6B031DEB0555508AD788A136966008CC372CC5BC6BDBF20961 - Submitted as: normal_5f870b862412d.pdf
- File type: pdf · Size: 47419 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://gettraff.ru/123?keyword=nclex+questions+free+download+pdf, https://cdn.shopify.com/s/files/1/0434/6108/3296/files/mri_t1_vs_t2_bone.pdf, https://cdn.shopify.com/s/files/1/0266/7790/3551/files/xadibasanabaj.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9818 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep._dosvc._tcp.local
- 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=1787766192&P2=404&P3=2&P4=mwZKUmyHQqI%2b%2ba%2fstJSW70oeBlwM9t6GhL43KlaDS2u2%2fxW8Qnw6VOS%2b0IQ4%2f6h%2fimLwWHPAHJF6AFtyHAA1mQ%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=1787766272&P2=404&P3=2&P4=VzcrJj7c4FULu9rYdoO1XFE92ukc0rrhxzYoe7mVaR%2frKgoTg6htfxeGEPkqOs6PoxPtjuvTGmvpKoKYe94lTA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
16a3916739411aa5336b77c1a24602f55b906ed842424fbe357ffb9fb3bda538 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d2dc760a78f94a72908fb01fcc0ccaa7.png -
384ea4d0bd2282e69d32251a748fe890a58c834b78bcbb7ee04b9c2aea8cd3fd - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=nclex+questions+free+download+pdf
- https://cdn.shopify.com/s/files/1/0434/6108/3296/files/mri_t1_vs_t2_bone.pdf
- https://cdn.shopify.com/s/files/1/0266/7790/3551/files/xadibasanabaj.pdf
- https://cdn.shopify.com/s/files/1/0476/4506/5382/files/20532398439.pdf
- https://uploads.strikinglycdn.com/files/6fa113fc-d234-42e6-b7eb-474a6949bea7/61094290594.pdf
- https://uploads.strikinglycdn.com/files/60beb61c-36ad-4cc2-a696-914fa922f6ae/pubexipununazobom.pdf
- https://uploads.strikinglycdn.com/files/4818ee83-cb2f-45c1-94bf-8039ba77c265/dokugiwisarobebisol.pdf
- https://uploads.strikinglycdn.com/files/9e126070-ac37-47fa-a64d-7a25b78d7ec4/vagezururikamejadam.pdf
- https://uploads.strikinglycdn.com/files/dbfd4eae-6d77-44e9-9cbe-c85c5bb7b662/10683427280.pdf
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f86f91798419.pdf
- https://cdn-cms.f-static.net/uploads/4366031/normal_5f86fea170fd7.pdf
- https://cdn-cms.f-static.net/uploads/4366043/normal_5f86f9709908b.pdf
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f86f82cbb061.pdf
- https://cdn-cms.f-static.net/uploads/4366024/normal_5f8703721b45b.pdf
- https://cdn.shopify.com/s/files/1/0496/6239/4517/files/99750979996.pdf
- https://cdn.shopify.com/s/files/1/0440/5942/6968/files/rogilivowapapodu.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1097/files/gba_roms_apk.pdf
- https://cdn.shopify.com/s/files/1/0479/9433/9481/files/the_duff_free.pdf
- https://cdn.shopify.com/s/files/1/0481/6083/3685/files/27439154321.pdf
- https://cdn.shopify.com/s/files/1/0479/2198/7740/files/95976868958.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
- cdn.shopify.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.182.141.63
- 162.159.142.9
- 52.110.12.11
- 52.110.12.51
- 4.230.171.124
- 57.154.63.210
- 203.26.79.13
- 74.178.240.51
- 20.112.250.133
- 135.232.92.137
- 52.123.129.14
- 40.103.64.242
- 135.234.160.246
- 52.123.252.193
- 135.233.45.221
- 172.170.180.133
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report