SUSPICIOUS — 3248992.pdf
SUSPICIOUS — 3248992.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
abe69e7ade92c474faf647c5e9cd6cdc38316a3bcf8ec77b6b4b3c63fce4ad74 - SHA-1:
992feb6a3edc0af19a9511f386a61a562188a807 - MD5:
c7a991bf8a1a5ab858650ed3883f4ede - ssdeep:
768:QgGzpD0pL5DPnAnGVMjxlwUDSKGugwko5E17uRMRBuuMBBKjozZXzq0TqWfXKaBH:9GF4pLKkRqKBu48tcAKaBAqe3k - TLSH:
T190329FF750B3EE8D7A8B5F03ADA70066518AE78C203297A005CC762CD87C6BD7E15562 - Submitted as: 3248992.pdf
- File type: pdf · Size: 43295 bytes
- Verdict: suspicious (66/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 66/100 is the fusion of 7 weighted signals:
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/86441391-6ec3-42b7-a988-b6b77d8195eb/xosifajikabuvabageladex.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=max%20execution%20time%20maximum%20value, https://cdn.shopify.com/s/files/1/0491/9135/4534/files/stl_file_viewer_app_android.pdf, https://cdn.shopify.com/s/files/1/0434/2536/6165/files/xudojajivanafi.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 - Contacted 8 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9662 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- inference.location.live.net
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep
- ntp.ubuntu.com
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 40.126.14.164
- 52.110.12.47 AU · Sydney · AS8075 Microsoft Corporation
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a9f0ead52ac15aeb0dd9a26c853e1cd32a13eeeeb07ce22db246712f82907470 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\88a6ab1d7572ee14bd5a6628937ce104.png -
bf6669a40c7452058233528b186c99fbc3473af6d8ef90f13bb59aee94fbed65 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/wb?keyword=max%20execution%20time%20maximum%20value
- https://cdn.shopify.com/s/files/1/0491/9135/4534/files/stl_file_viewer_app_android.pdf
- https://cdn.shopify.com/s/files/1/0434/2536/6165/files/xudojajivanafi.pdf
- https://cdn.shopify.com/s/files/1/0462/3876/1109/files/download_webtoon_apk_free.pdf
- https://cdn.shopify.com/s/files/1/0433/9567/8359/files/47700783983.pdf
- https://uploads.strikinglycdn.com/files/86441391-6ec3-42b7-a988-b6b77d8195eb/xosifajikabuvabageladex.pdf
- https://uploads.strikinglycdn.com/files/0adc5f78-9d62-404e-857b-57e2151a7005/vifigodaxumovibuxu.pdf
- https://uploads.strikinglycdn.com/files/08888725-2cf7-4e34-ac99-84c444df5ce3/sibebe.pdf
- https://uploads.strikinglycdn.com/files/b342b838-b706-4253-9a65-342ddbbd124e/56845147011.pdf
- https://cdn-cms.f-static.net/uploads/4367281/normal_5f88f04ab320c.pdf
- https://cdn-cms.f-static.net/uploads/4372383/normal_5f8c589076c15.pdf
- https://kupugaxome.weebly.com/uploads/1/3/0/9/130969415/wuxifabasogamorodugo.pdf
- https://jizonuwuko.weebly.com/uploads/1/3/0/8/130814311/5521397.pdf
- https://wevuviwujito.weebly.com/uploads/1/3/1/6/131636984/xufigebugozam.pdf
- https://cdn.shopify.com/s/files/1/0500/9244/1765/files/wufitofaleludodu.pdf
- https://cdn.shopify.com/s/files/1/0437/9607/0549/files/kupofelewidiranojimimiluw.pdf
- https://cdn.shopify.com/s/files/1/0483/5849/0275/files/40738668173.pdf
- https://cdn-cms.f-static.net/uploads/4368238/normal_5f88ec465f5f2.pdf
- https://cdn-cms.f-static.net/uploads/4374188/normal_5f88e31132d22.pdf
- https://cdn-cms.f-static.net/uploads/4381971/normal_5f8d10b0e302b.pdf
- https://cdn-cms.f-static.net/uploads/4379968/normal_5f8c2f96de045.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
- cctraff.ru
- cdn.shopify.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- kupugaxome.weebly.com
- jizonuwuko.weebly.com
- wevuviwujito.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.47
- 172.178.240.162
- 4.230.171.124
- 20.165.94.46
- 72.145.35.113
- 162.159.36.2
- 203.26.79.13
- 20.112.250.133
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report