Malicious PDF — malware analysis report

Heuristics 6

• 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://graveyards-fuj.ae/userfiles/files/legiwududi.pdf In PDF document text

  • http://silarperu.com/UserFiles/file/fekarakodadivutirakur.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/5b3e9e85dbd49ba8528522b6e5414164/nupesadomalunanufomu.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/kejiwazusijonazivuf.pdfIn PDF document text
  • http://showdoimovel.com/files/files/21740335279.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/28457110255.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/6m5vuo9pn9qvv877pr44jfvoi6/xotipimokogeta.pdfIn PDF document text
  • http://kredoteka.ru/uploads/file/2301616187.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138d2527e8b6---60176611828.pdfIn PDF document text
  • http://4darchitecture.org/img/all/lagutaxazov.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613755e1e3614---fupixejumotunikuzafevimib.pdfIn PDF document text
  • https://sklep-pinokio.pl/web/uploads/files/85103735983.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/ba25bf7e3ec812159809baac39c84e7d/makimebop.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/92597284971.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/10537809878.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/53118503866.pdfIn PDF document text
  • https://granitnet.hu/editor_up/mipevakejorida.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161362dcf01769---95034444984.pdfIn PDF document text
  • http://xinyuemu.net/assets/202109/files/20210903210314487112.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/79583136778.pdfIn PDF document text
  • http://sbkf.org/files/files/44519704383.pdfIn PDF document text
  • http://xn----7sbjvweekof5d.xn--p1ai/files/files/rawojosotijenovi.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/42670470526.pdfIn PDF document text
  • https://drakbera.com/ckeditor/ckfinder/userfiles/files/60351285420.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/venusubufudinem.pdfIn PDF document text
  • http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/92975946987.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=wt+chat+apk+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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