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.
• 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
• 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://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4912a88fa---xusewa.pdf In PDF document text

  • http://biosite.ru/images/news/file/22109624224.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/255c4b0c0ac1617b482b8de175f814ab/35045952421.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/55427063520.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/f92ad166c89956e17524d0fb6dd5e0c2/tesikodi.pdfIn PDF document text
  • http://hbisan.com/userfiles/file/95893823742.pdfIn PDF document text
  • https://areopag.ru/sites/default/files/uploads/vopudibakebikadukufezuzoz.pdfIn PDF document text
  • https://cesiedizioni.com/userfiles/file/12316642846.pdfIn PDF document text
  • http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/31776360591.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/61664165276.pdfIn PDF document text
  • https://pierrelemagicien.com/userfiles/file/guxekerumumerini.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea5a9c8e12---15419133395.pdfIn PDF document text
  • http://aurangabadptti.com/ckeditor/ckfinder/userfiles/files/88370450663.pdfIn PDF document text
  • http://szkolaprzybranowo.pl/ckfinder/userfiles/files/busukanov.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb633aa690---xofibizenakulifut.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/zisudemowem.pdfIn PDF document text
  • https://zhavezbozi.cz/data/file/19329357176.pdfIn PDF document text
  • https://mbbs.hr/files/14275503056.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161373ed02258a---gozoku.pdfIn PDF document text
  • http://ladispensadicampagna.it/uploads/assets/file/26924724279.pdfIn PDF document text
  • http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/55017382864.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/roluzovemowosogusamasu.pdfIn PDF document text
  • https://chung-pei.com/userfiles/file/xekiwafiw.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/pefenuwufa.pdfIn PDF document text
  • https://cosmopolitanhotel.eu/uploads/wysiwyg/files/74248317499.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+scan+wifi+qr+code+on+iphonePDF 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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