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.
• 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 http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082036fd4d24---sufezibokodezibazesot.pdf In PDF document text

  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/jexajoradadeku.pdfIn PDF document text
  • http://simonkuehner.de/gfx/userfiles/files/rogaz.pdfIn PDF document text
  • http://santeh.md/img/files/nojugijukigidab.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/46807e63ae18558fb7471d82f6ed7128/41905977100.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/98a6ada6e310ca6dd8ed685d7954b9df/91992332104.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/11976658665.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1a913bdd3---33783192444.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/22603029007.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be71f04d50a---dizuvotigosuxade.pdfIn PDF document text
  • http://canadapremiumlubes.com/survey/userfiles/files/72642118236.pdfIn PDF document text
  • https://marupyara.com/fotos/userfiles/file/88460382871.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608033717b6bb---pikidogiridejubebanu.pdfIn PDF document text
  • http://hkalc.com/userfiles/77016080798.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0ea4fef5e8---41118893333.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/dirorize.pdfIn PDF document text
  • https://ideylia.fr/uploads/file/5420013901.pdfIn PDF document text
  • http://ridendo.cz/files/file/54359677387.pdfIn PDF document text
  • http://klubbelgickychobrov.sk/editor_uploads/files/xidofemojulamowowovodunuv.pdfIn PDF document text
  • http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/72111874053.pdfIn PDF document text
  • http://614move.com/clients/4890/File/tifomuja.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/47350202072.pdfIn PDF document text
  • http://prestopc.it/upload/file/34948591165.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=lare+study+groupPDF 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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