SUSPICIOUS — normal_5f88564b4f88e.pdf
SUSPICIOUS — normal_5f88564b4f88e.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100), attributed to the REvil family. 4 of 50 detection engines flagged it.
Identification
- SHA-256:
c751c255599a3f28394ace52736e7ac14ecb89264f0802a769ecf4e87fc08535 - SHA-1:
a09039a5926b3ab05b555c0a148ef10d7dd57789 - MD5:
c29995ae7c8afbfd735e1274615e2aa4 - ssdeep:
768:7gGzpDcpPSWDL70ZUIvhvHFv9qQxrFvRyT5/UtjY5al2PV6JmoJFpXt:EGFwpPSppmWtjXlTD1t - TLSH:
T12B307CF31097ED8C7A4EAB03AE9A11AC658AC7896122DBA048CC375DD07C6FD6F40951 - Submitted as: normal_5f88564b4f88e.pdf
- File type: pdf · Size: 37519 bytes
- Verdict: suspicious (58/100) · Family: REvil
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- YARA: Trellix/McAfee ATR: ATR_REvil_Sodinokibi
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
Why this verdict
The suspicious score of 58/100 is the fusion of 4 weighted signals:
- YARA: Trellix/McAfee ATR flagged ATR_REvil_Sodinokibi (rule
ATR_REvil_Sodinokibi) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://gettraff.ru/123?keyword=absorption+chiller+book+pdf, https://site-1041765.mozfiles.com/files/1041765/26939178301.pdf, https://site-1036879.mozfiles.com/files/1036879/pogesitobub.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
Dynamic analysis
No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.
Embedded URLs
- https://gettraff.ru/123?keyword=absorption+chiller+book+pdf
- https://site-1041765.mozfiles.com/files/1041765/26939178301.pdf
- https://site-1036879.mozfiles.com/files/1036879/pogesitobub.pdf
- https://site-1038517.mozfiles.com/files/1038517/56716927536.pdf
- https://cdn-cms.f-static.net/uploads/4366362/normal_5f8724439437e.pdf
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f873cf134bda.pdf
- https://cdn-cms.f-static.net/uploads/4367622/normal_5f87526ad48d3.pdf
- https://cdn-cms.f-static.net/uploads/4365606/normal_5f884afa7ca0a.pdf
- https://uploads.strikinglycdn.com/files/09e0cebe-b7f6-4921-8576-07e1831bd616/xuzevuvisipen.pdf
- https://uploads.strikinglycdn.com/files/fd534b93-b047-4e03-a721-0595eefed6eb/digodefojazexagogapumax.pdf
- https://cdn-cms.f-static.net/uploads/4369308/normal_5f87e1dd51a19.pdf
- https://cdn-cms.f-static.net/uploads/4365661/normal_5f87469f8f26f.pdf
- https://cdn.shopify.com/s/files/1/0502/8980/3461/files/bosedimananurevilomiru.pdf
- https://cdn.shopify.com/s/files/1/0499/3145/2574/files/merc_stealth_keyboard_drivers_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0434/7471/4790/files/6-5_practice_form_g_linear_inequalities.pdf
- https://cdn.shopify.com/s/files/1/0266/8694/7509/files/95034575245.pdf
- https://cdn.shopify.com/s/files/1/0484/8880/8598/files/4793996507.pdf
- https://cdn.shopify.com/s/files/1/0433/9833/2572/files/herman_the_worm_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/gunowikifonosugufogagapi.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/
- http://ns.adobe.com/xap/1.0/rights/
Embedded domains
- gettraff.ru
- site-1041765.mozfiles.com
- site-1036879.mozfiles.com
- site-1038517.mozfiles.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report