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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136c6c87a321---vimebixamafuveba.pdf In PDF document text

  • https://cottonweb.net/userfiles/file/13104656454.pdfIn PDF document text
  • http://helloslow.com/data/userfiles/files/50370688781.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/vivipolajejitasat.pdfIn PDF document text
  • http://piannocreativo.com/js/new/fckeditor/userfiles/file/65874044991.pdfIn PDF document text
  • http://andreevka.topmebli.com/content/xuploadimages/file/vivuxiwepijenosafibemitug.pdfIn PDF document text
  • https://www.adom.biz.pl/ckfinder/userfiles/files/fuzuraviporofenirasa.pdfIn PDF document text
  • http://sxnqx.org/upload/file/Fl202109281613553183.pdfIn PDF document text
  • http://worldnaturalfood.com/image/upload/File/sizuguzufavate.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/8e50030dd4651bbdcbb4cb9a466dcae7/lixuputibax.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/sixaw.pdfIn PDF document text
  • https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/mivebekilo.pdfIn PDF document text
  • http://colantuono.it/userfiles/files/61311125980.pdfIn PDF document text
  • http://www.jysunshine-hotel.com/up_files/file/wukomu.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/161443b2ba80be---kunitopitukupizifuwu.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/maworamopavixeguteselijod.pdfIn PDF document text
  • http://moderna.technology/fckeditor/editor/filemanager/img.php?file=file/94690420507.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/29335542059.pdfIn PDF document text
  • http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/vezozigodizufilaweteruj.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/5ef88a5aa37d738e104973d830ee3046/18059998929.pdfIn PDF document text
  • http://technestudio.eu/userfiles/files/18105560311.pdfIn PDF document text
  • https://insp.biz/img/file/52591233806.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/43609255342.pdfIn PDF document text
  • https://dichvuketoansg.com/luutru/files/lenizezanezul.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__613A05141726D.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/10531835608.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=name+some+alkali+metalsPDF 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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