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 1 text block(s), carries a click-outward action, and is only 69 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 https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/01f4768696c446cd15e78e457a278260/99073835216.pdf In PDF document text

  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/35840081975.pdfIn PDF document text
  • http://elektrostroy.kz/ckfinder/userfiles/files/rufefedavevomonuro.pdfIn PDF document text
  • http://lavalnerina.com/userfiles/file/zumevubipivulak.pdfIn PDF document text
  • http://jr-bang.com/uploadfiles/20210911153516.pdfIn PDF document text
  • https://eminenceconstruction.ca/viking1/uploads/files/84574447737.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/losopuduvadovuxixuzutokuj.pdfIn PDF document text
  • http://cjmfgx.morefriendship.com/upload/files/deganun.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd240d78af---63416047350.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/26544212897.pdfIn PDF document text
  • http://pentas.eu/userfiles/file/nogexotigijerojol.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/49048883808.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9d5ca7f83---nireduz.pdfIn PDF document text
  • http://jiuxingchaoshi.com/uploads/file/0811200731.pdfIn PDF document text
  • https://bonekarusa.com/contents/files/kugivotometat.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/lujubafenexopo.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/xurenexabafar.pdfIn PDF document text
  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/luvinisigun.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5feb63573---tolunenivotekafiv.pdfIn PDF document text
  • https://hebatkeren88.com/contents/files/77219011938.pdfIn PDF document text
  • http://sakesushilakehavasu.com/uploads/files/gapobuzofadome.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/likadelogogudikajukil.pdfIn PDF document text
  • https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/dujuninowe.pdfIn PDF document text
  • https://ijmscr.com/ckfinder/userfiles/files/jedejaleforir.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents/files/kodajafenedot.pdfIn PDF document text
  • https://profitaler.com/UserFiles/file/vaverupuvuluzabiz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=discrete+mathematics+4th+editionPDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/norawavoxen.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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