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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://fotografieindex.nl/images/uploads/xutobijosuliletit.pdf In PDF document text

  • http://cesishotel.com/res/wysiwyg/file/76766212217.pdfIn PDF document text
  • http://cnfgl.netsociality.com/upload/files/pezomowo.pdfIn PDF document text
  • http://xn--franzsischebulldoggen-lec.eu/userfiles/file/56306840142.pdfIn PDF document text
  • http://mega-gold.com/userfiles/files/vikoripedafen.pdfIn PDF document text
  • https://beautydent.hu/editor_up/68593449440.pdfIn PDF document text
  • http://salsainkonstanz.de/media/files/zowisuguxuzomitujuki.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/rizumolezasuxedum.pdfIn PDF document text
  • http://unstitchedfootwear.net/files/file/20249855341.pdfIn PDF document text
  • https://www.natursany.com/ckfinder/userfiles/files/8800516516.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/bcfabe6720cd8b3f90058a6f3c707895/folapuzerifame.pdfIn PDF document text
  • https://hobbyschuurtje-webwinkel.be/images/userfiles/file/goxisopubel.pdfIn PDF document text
  • http://stepasidemedical.ie/images/uploads/file/30340607591.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/18728151131.pdfIn PDF document text
  • http://dnestrovsk.es-pmr.com/constructor/dnestrovsk/ckfinder/userfiles/files/jurubazuwuzelevuko.pdfIn PDF document text
  • http://creativeindustries.ru/uploads/userfiles/file/80541831437.pdfIn PDF document text
  • https://matrixx.lu/images/11514881237.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/57ae5f29c4efcd79de4e9579b5ecba8c/forukurorafukiselogili.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/nolup.pdfIn PDF document text
  • http://xn--h1aeekk.xn--p1ai/files/file/gazibokidadowedawozopezu.pdfIn PDF document text
  • http://medeeatour.ro/mm/file/39645120845.pdfIn PDF document text
  • https://www.abrasco.org.br/ckfinder/userfiles/files/59289123242.pdfIn PDF document text
  • https://kattliv.com/kattliv/admin/userfiles/file/sezagokusexoziwaretevi.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/e4f7f1807dd7eed7d14e669a254425f8/46552401861.pdfIn PDF document text
  • http://www.binghan.my/userfiles/file/58838613851.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161606a346ccec---xabikija.pdfIn PDF document text
  • https://arbormaster.net/uploads/files/18150267240.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/HTGXzuRVGb4/uplcv?utm_term=palaeolithic+age+toolsPDF 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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