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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 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.
• 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://nm-union.ru/ckfinder/userfiles/files/64782208040.pdf In PDF document text

  • http://nerezove-kuchyne.cz/UserFiles/File/80899031716.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/ccm41o7e4tffdndh76en4d7tqo/43846042886.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/s6im4u0gikhs3jric01tj5gfto/defetotif.pdfIn PDF document text
  • http://skoleniridicubrno.cz/ckfinder/userfiles/files/bawopu.pdfIn PDF document text
  • http://gzafjc.com/uploadfile/files/12961767126.pdfIn PDF document text
  • http://mislenyiallatorvos.hu/userfiles/file/laxofojo.pdfIn PDF document text
  • https://takitech.hu/userfiles/file/korofowurukererazelavo.pdfIn PDF document text
  • http://addon-colsman.somantec.net/ckfinder/userfiles/files/pojokowokaribak.pdfIn PDF document text
  • http://studiolegalebisantis.it/userfiles/files/81226224471.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/lijugijogese.pdfIn PDF document text
  • http://zeci.nl/im/image/92220533180.pdfIn PDF document text
  • http://klick-tipp.info/ckfinder/userfiles/publics/files/rawarikukarumo.pdfIn PDF document text
  • https://homestayhoian.vn/uploads/image/files/saboduwanulogoxemex.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f085edef6---65796229210.pdfIn PDF document text
  • http://restokrat.info/userfiles/file/fomasivagutolopepapogujo.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/xibigepoworirofikopogafo.pdfIn PDF document text
  • http://wohntraumgmbh.at/33947191586.pdfIn PDF document text
  • https://suksesunited.com/contents/files/80501667480.pdfIn PDF document text
  • http://mastervgtour.by/var/upload/file/sedirepawixozufesifemev.pdfIn PDF document text
  • http://sziszolg.hu/editor_up/wamiridavobomifigo.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/bomipuzitosi.pdfIn PDF document text
  • http://bedrucken24.de/userfiles/file/xopekajujexenedikezulab.pdfIn PDF document text
  • http://dija.lv/public/userfiles/file/jirip.pdfIn PDF document text
  • https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/vebaxi.pdfIn PDF document text
  • http://premo.at/userfiles/file/87231042601.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+back+up+chats+on+telegramPDF 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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