Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f5bf00313942959…

MALICIOUS

PDF

53.1 KB Created: 2021-05-04 02:20:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dc3c375080a07f8396a961be385e0679 SHA-1: ded5c9b276d2c70cc88c8dc6dbdad1545b88c1f5 SHA-256: 4f5bf003139429598c704e922efffafdf89b3ab27bbd6fe709e203d0a06b2a22
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised CMS uploads and disposable hosting. These links likely lead to phishing content or malware downloads, as suggested by the 'Pdf.Phishing.Trojan' detection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8913

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/34796460ddb85b695b5c7e81746285a4/jedamulekutagimajofuve.pdf
    • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/38771fc33775846b3066b682d4b8fa22/98113066483.pdf
    • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160721f119bcb8---8988266601.pdf
    • https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c892bcd560---75166164004.pdf
    • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1bc117519---gadafaseba.pdf
    • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/05f852953f7dc8a75d19c0a5d52c6864/juvum.pdf
    • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/a08253012d55cbd96b0ea3c3e1bbcaf3/94682729059.pdf
    • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1606f058117432---22678125582.pdf
    • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16079e12f0e554---67817219467.pdf
    • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8065895aa---33772705182.pdf
    • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/d2e9e29a9db97fa18dae97824dff7638/sinomawusubutel.pdf
    • https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/00uo5r55bokc1a9j6demrboltf/nuvivajimulalunabe.pdf
    • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906f62914d9---fatiginijow.pdf
    • http://agcslohian.com/userfiles/file/wobosavulanoxerewu.pdf
    • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/87ddb0baea6e8c986674047fea93a025/5805994142.pdf
    • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16082af8a0109c---91102821694.pdf
    • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071afcf2d0f3---xalowesetidoretulovudib.pdf
    • https://amitadevnani.com/userfiles/file/22825285945.pdf
    • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/06hst373amjjnv4o2vmfnshii5/jikadawiputurageroge.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=vidmate+install++free+full+version

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