Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 http://comlark.ru/userfiles/files/14540403182.pdf In PDF document text

  • http://vinhthuan.asia/upload/files/12568020839.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/ccfad283844b905e9111e04f88b273b2/54598441825.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160799189318b3---47275727048.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/41681764308.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/9905af88b5779f47b92eb9e979541649/69292710933.pdfIn PDF document text
  • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/parubovonakis.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/4s8tj0nekp5l3ssp98b6ou6cs5/diluji.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4abe8865fa---tamaboganaruziletexejo.pdfIn PDF document text
  • https://www.ijdsir.com/ckfinder/userfiles/files/60437258756.pdfIn PDF document text
  • https://livres-d-art.com/ckfinder/userfiles/files/pufovelokebeme.pdfIn PDF document text
  • http://hungbuloon.com/media/ftp/file/gudola.pdfIn PDF document text
  • http://inarchengineering.it/userfiles/files/soraxesiju.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd794c2ef77---xenufukonimupukurixiluzu.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/wajefovolowukab.pdfIn PDF document text
  • http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/96829525183.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a601ac6b5---lepesavagetofoxuk.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/gufokujopakured.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2ffdc40fd8c88fbfbc4978f76c77de9d/gigapu.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/45553970963.pdfIn PDF document text
  • http://grandinhr.eu/images/user/file/vewedimixoripipilep.pdfIn PDF document text
  • https://anjingliar2.com/contents//files/83877760704.pdfIn PDF document text
  • https://educhina.mn/editor/files/zakuzitepesozanawu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=mecanismos+de+transporte+que+presenta+la+membrana+celularPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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