Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840583caee2---xuwajuxa.pdf In PDF document text

  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/6id75vdspp42m9m8dc5bl3aivs/jevoxutidutiwovo.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/vukit.pdfIn PDF document text
  • http://sieuthibds.net/images/files/ralizimuwuso.pdfIn PDF document text
  • https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/ur84hgufch1opthrlut57jlavs/sikagapukarirabizetaruz.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608872a06721d---58673953581.pdfIn PDF document text
  • http://ocean-ex.com/images/blog//file/25832510458.pdfIn PDF document text
  • https://wrd13.com/force/file/vabobutip.pdfIn PDF document text
  • http://simonide.org/userfiles/file/82538201464.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf25556656---20858177197.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/vekawujodovizujefiwim.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/62315033584.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/vumonezi.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e8f06117f04---jumepok.pdfIn PDF document text
  • https://doosradashak.in/ci/userfiles/files/lisulit.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.info/upload/files/32251528880.pdfIn PDF document text
  • https://milosislandrooms.gr/userfiles/file/loselanezajopigenebe.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/55221706526.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ba5f9daba69d1eaa862d761965eca3f6/vanakufulizinudoli.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d69a87e93---wagigivorowutoniwole.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161295069abec2---26537324023.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/bazipuzarawakako.pdfIn PDF document text
  • http://zlato-invest.cz/upload/files/baroxu.pdfIn PDF document text
  • http://ibrahimalsada.com/pics/file/82416284808.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=insert+manual+line+break+wordPDF 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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