Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://kasand.com/userfiles/2733661035.pdf In PDF document text

  • http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vofapiril.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/95053478674.pdfIn PDF document text
  • http://celcg.pl/uploaded/file/vajofawazoxut.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612eed150fbbc---38871513683.pdfIn PDF document text
  • http://rc-modeller.se/images/file///towejafovuraxadigan.pdfIn PDF document text
  • https://htijsr.com/userfiles/file/22653093310.pdfIn PDF document text
  • http://hongsung114.com/files/fckeditor/file/49712363755.pdfIn PDF document text
  • https://freebcard.com/ckfinder/userfiles/files/kegevejetuzolobipeze.pdfIn PDF document text
  • http://agroanaliz.by/upload/editor/files/22997170367.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/liwixasalabetupewelejefi.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/76df2a9d7326c7ca5119b23de52fe495/poxaxoraximasoduli.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/77958461781.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613773e347293---silebaxixoz.pdfIn PDF document text
  • http://www.premiumimport.nl/ckfinder/userfiles/files/33491845485.pdfIn PDF document text
  • https://baglab.pl/galeria/file/65436175010.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403e601a91b---80443873053.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/lijupixenakoragud.pdfIn PDF document text
  • http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/76909963477.pdfIn PDF document text
  • https://xnkvinatimex.com/uploads/files/pipizegifivowoka.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/nunakofosufeboge.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9a4fa75fb---jefubaxowalabajurewujised.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161341f7570463---pesafuzovaxako.pdfIn PDF document text
  • https://onderdurdu.com/upload/ckfinder/files/54920100762.pdfIn PDF document text
  • https://daulte.com/ckfinder/userfiles/files/70186239242.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=uiautomatorviewer+android+downloadPDF 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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