MALICIOUS — normal_5f870993d2570.pdf
MALICIOUS — normal_5f870993d2570.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
bdf16247b6c7bd9359eeb83acf0dc30541173bb341c0fd7877b80a0a9df596e7 - SHA-1:
a0d7449222560a398919ba7144802a05d44a6b5e - MD5:
7aa90a7d8e773e2277620e673b629ceb - ssdeep:
768:/S6gGzpDqpk5SJvXGJLZguW97584nSSPyYAjIdynm+HlYc8iHqglp/LjLQxqVqAR:UGFepjXJyPayRP8KP/XquFR - TLSH:
T1B934AEF311A7ED4D7A8BAB036CEA191D908DE3486133A66454CC7B2CD5BC36DBE50A40 - Submitted as: normal_5f870993d2570.pdf
- File type: pdf · Size: 55295 bytes
- Verdict: malicious (84/100)
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 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365998/normal_5f86f783f14ee.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 12 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=nephritic+syndrome+pediatrics+pdf, https://cdn-cms.f-static.net/uploads/4365998/normal_5f86f783f14ee.pdf, https://cdn-cms.f-static.net/uploads/4365584/normal_5f870959349de.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9714 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
- c.pki.goog
- 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
- 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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\65fde449f64fbe417ff1b4a9835be6f7.png -
5847540751887cf2d8925cf4eaaab827c8834bbce360d2935a2010b932b91d2d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b5cc8a26af179fcbafa9f520397928be6a4d6b75d17129e1cecfa5be8efd1a22 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=nephritic+syndrome+pediatrics+pdf
- https://cdn-cms.f-static.net/uploads/4365998/normal_5f86f783f14ee.pdf
- https://cdn-cms.f-static.net/uploads/4365584/normal_5f870959349de.pdf
- https://cdn-cms.f-static.net/uploads/4365563/normal_5f87055dbc5a7.pdf
- https://uploads.strikinglycdn.com/files/cfab8f68-90a9-45e8-8756-ff3eae4cf4a7/kuxuwazolotixefumadagufi.pdf
- https://uploads.strikinglycdn.com/files/90472d27-09cd-4094-b94b-000ef91ad239/70338268824.pdf
- https://uploads.strikinglycdn.com/files/0ba0882c-19db-4348-900c-1aebf7e0e322/68672273018.pdf
- https://uploads.strikinglycdn.com/files/58596b69-0c35-494d-a27e-6f082a1a78e8/goximivob.pdf
- https://uploads.strikinglycdn.com/files/1560901b-20c3-4094-b58a-2132838a7252/banamuwabikupuwenaduxi.pdf
- https://uploads.strikinglycdn.com/files/2abccea6-387c-45f3-929c-ed31de3df058/84709812925.pdf
- https://uploads.strikinglycdn.com/files/889900e6-1ddb-4474-94c7-e5b31528a579/99299704747.pdf
- https://uploads.strikinglycdn.com/files/ebbcabec-7883-4489-9222-8fc97d66a399/13396322775.pdf
- https://cdn-cms.f-static.net/uploads/4365582/normal_5f86f69a90c21.pdf
- https://cdn-cms.f-static.net/uploads/4365635/normal_5f870479838f5.pdf
- https://site-1039489.mozfiles.com/files/1039489/14103237070.pdf
- https://site-1038803.mozfiles.com/files/1038803/gufomupekebo.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6061/files/54186831682.pdf
- https://cdn.shopify.com/s/files/1/0431/4644/4960/files/botem.pdf
- https://cdn.shopify.com/s/files/1/0434/6655/5549/files/stock_name_list.pdf
- https://cdn.shopify.com/s/files/1/0486/0520/0549/files/black_clover_langris_voice_actor.pdf
- https://cdn.shopify.com/s/files/1/0433/6756/3420/files/nodebovufosizenejejudiwe.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
- gettraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- site-1039489.mozfiles.com
- site-1038803.mozfiles.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.34
- 20.165.94.46
- 4.230.171.124
- 4.144.132.114
- 203.26.79.13
- 4.247.188.224
- 20.42.65.84
- 20.231.239.246
- 40.104.4.2
- 74.178.76.128
- 142.250.183.35
- 48.192.143.121
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report