Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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 https://cafij.co.za/YmrXLWy8?keyword=when%20should%20i%20update%20my%20mcs%20150 PDF link annotation

  • https://mekozatopuwuju.weebly.com/uploads/1/3/4/5/134512494/d555cd590f65e8.pdfIn PDF document text
  • http://aitrans.org/UploadFile/file/F1202203121249217747.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/79v99e5nmtb0re9flovfk3vda0/webemewep.pdfIn PDF document text
  • https://rogelevosegadu.weebly.com/uploads/1/3/4/6/134651245/mibulaforizowof-sezizije-wowutowuz.pdfIn PDF document text
  • http://salespate.com/userfiles/file/xizibuxigerigadetedupebe.pdfIn PDF document text
  • http://knowitcolombia.com/kcfinder/upload/files/60173256343.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/24972950796.pdfIn PDF document text
  • http://lavrstroy.ru/img/photo/files/pixasajurozazawafisi.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/fisekamem.pdfIn PDF document text
  • https://anotera.kopro.fr/userfiles/file/86386195349.pdfIn PDF document text
  • https://sujutirox.weebly.com/uploads/1/3/4/5/134595549/7469350.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16239aa4b9f58e---5027290593.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/162071d5f00b77---pipuned.pdfIn PDF document text
  • https://zukixemafeka.weebly.com/uploads/1/3/1/3/131398149/ab7d24df35ad4.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1624e742e17e01---tovikagiraraguju.pdfIn PDF document text
  • https://nuzazetoxulo.weebly.com/uploads/1/3/1/6/131636602/3647456.pdfIn PDF document text
  • https://zinibikilejob.weebly.com/uploads/1/3/4/8/134886520/tesivutejebej.pdfIn PDF document text
  • https://jubezotezuwu.weebly.com/uploads/1/3/4/4/134476040/1774905.pdfIn PDF document text
  • https://podzamcze-dobczyce.pl/admin/kcfinder/upload/files/59761748342.pdfIn PDF document text
  • http://zzfcw.com/file/fkimg/file/25970755286.pdfIn PDF document text
  • https://lonupuvajofova.weebly.com/uploads/1/3/4/3/134341927/kagawexivebus-laxav-dojixobedavij-butafofavewoj.pdfIn PDF document text
  • https://www.pmayassam.in/assets/kcfinder/upload/files/lufuro.pdfIn PDF document text
  • http://clingac.es/d/files/82650876711.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/qltrklpsbrj2gbku8ond99v473/28921971730.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/1345177648.pdfIn PDF document text
  • 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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