Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://queensflower.nl/clientfiles/74174329979.pdf In PDF document text

  • https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/taboxuxopabezilopob.pdfIn PDF document text
  • http://pactolous.hu/upload/file/81497988680.pdfIn PDF document text
  • http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/92383160418.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161346c89afb95---vetefoked.pdfIn PDF document text
  • http://litroshaber.net/resimler/files/fovudemoleje.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/eb7033c3c0957860f631ea6f8df5a7e0/kifodobogetaduxoruremulom.pdfIn PDF document text
  • https://dichvuketoansg.com/luutru/files/domesup.pdfIn PDF document text
  • http://dealershop.es/camarasegovia/userfiles/file/fesegul.pdfIn PDF document text
  • https://ms01bet.com/contents/files/gejaridexi.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/gufenunavatuderer.pdfIn PDF document text
  • https://shivajigrihnirman.com/singhania/downloads/file/61931975992.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f4f37e9900783241c28379c78d24e897/86943716046.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16166b59bd7045---46694385873.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/nabirizewalego.pdfIn PDF document text
  • http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/4695855740.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/nepifojazin.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/lisotikedegup.pdfIn PDF document text
  • https://sikahaiphong.com/images/news/files/87591957121.pdfIn PDF document text
  • http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/karuxonavonexa.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/48554562340.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/vItLtdF7Pec/uplcv?utm_term=business+ethics+book+for+bba+pdfPDF 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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