SUSPICIOUS — normal_5f8b67003f7e1.pdf
SUSPICIOUS — normal_5f8b67003f7e1.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:
a4fb3fd696cb381fe4f1910da978432c09730b8bf564ec49cf1ddaf6eec8ba52 - SHA-1:
bb9aeb4b2dfb264be86696ff294873505a7d1a86 - MD5:
e0951b9723a79ddb47cb173b99c01403 - ssdeep:
768:cgGzpD3p6TZHLsjwJA51xXeo+66aQOIVNN6jSyJqfrThgvjke5k5lrX5MH:5GFbppOWvB25JX5MH - TLSH:
T127317CF3109BED8D3A9F5F13AEAB106A5089E7896026E760458C372CD47CAFD7E00911 - Submitted as: normal_5f8b67003f7e1.pdf
- File type: pdf · Size: 42304 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 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ttraff.com/123?keyword=sse4.2+instruction+set+amd, https://cdn.shopify.com/s/files/1/0436/4104/5145/files/xutaluleriregux.pdf, https://cdn.shopify.com/s/files/1/0432/8855/9782/files/79437254167.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9636 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
- desktop-hsgcbep._dosvc._tcp.local
- 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=1787766222&P2=404&P3=2&P4=fRPf3o%2bWDNJbGa%2fOKQ8ptTC6ltmL2sYl1S%2fQkNE1ByY4rBU7jfdx6Lo9yux7t1wCQkOmY%2bV62B4kbsmxWQXzZw%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=1787766281&P2=404&P3=2&P4=dWzS9hcwpEQXyycqUclvT2x%2bx98NdpJxbjgX5NEhep%2biwMXDhsGZiPN78TQX3U3fqF2j9VRIOyPyxWBaE7W%2fNQ%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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9d8aceecff9432721daa9af310ff0108.png -
c80cfb60805e18eb0473b674cb15699d63ecf943397e194086e5246cac3f7d92 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2de8fc8164fc37c9c184df997d8fe95c04963fd9f4425d0ff9a0451f1d6c792a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.com/123?keyword=sse4.2+instruction+set+amd
- https://cdn.shopify.com/s/files/1/0436/4104/5145/files/xutaluleriregux.pdf
- https://cdn.shopify.com/s/files/1/0432/8855/9782/files/79437254167.pdf
- https://cdn.shopify.com/s/files/1/0498/9331/0631/files/family_worksheet_year_1.pdf
- https://cdn.shopify.com/s/files/1/0430/8228/5216/files/secret_romance_ep_10_eng_sub.pdf
- https://cdn.shopify.com/s/files/1/0502/2983/7982/files/good_strategy_game_apps_for_android.pdf
- https://cdn.shopify.com/s/files/1/0266/9212/4857/files/charles_proxy_android_settings.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9933/files/butterfly_garden_florida_near_me.pdf
- https://cdn.shopify.com/s/files/1/0501/9664/4016/files/giant_tcr_advanced_2020_size_guide.pdf
- https://cdn-cms.f-static.net/uploads/4366319/normal_5f8b4278199bd.pdf
- https://cdn-cms.f-static.net/uploads/4369664/normal_5f884aadc09bf.pdf
- https://cdn-cms.f-static.net/uploads/4365598/normal_5f88acd4778b5.pdf
- https://cdn-cms.f-static.net/uploads/4372087/normal_5f88d56ad52d7.pdf
- https://cdn-cms.f-static.net/uploads/4372707/normal_5f8a2e08d3eb2.pdf
- https://cdn-cms.f-static.net/uploads/4365555/normal_5f872927b219b.pdf
- https://uploads.strikinglycdn.com/files/533c97e8-1838-4395-9e13-40fc79ad9648/bastien_vives_petit_paul.pdf
- https://uploads.strikinglycdn.com/files/a7279690-c275-4425-b352-a04155da4909/84147598560.pdf
- https://uploads.strikinglycdn.com/files/c9812e9f-2d64-4e64-a521-0c4b412e896e/21572928148.pdf
- https://cdn.shopify.com/s/files/1/0496/0573/8659/files/28222070526.pdf
- https://cdn.shopify.com/s/files/1/0504/2159/6334/files/55997132470.pdf
- https://cdn.shopify.com/s/files/1/0498/5608/6171/files/case_ih_8420_round_baler_parts_diagram.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
- ttraff.com
- cdn.shopify.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.233.45.223
- 104.208.16.94
- 52.110.12.53
- 57.154.63.210
- 4.230.171.124
- 162.159.142.9
- 135.232.92.137
- 74.178.240.51
- 52.123.129.14
- 40.99.133.242
- 74.179.71.159
- 203.26.79.13
- 52.123.252.236
- 172.170.180.133
- 52.182.141.63
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report