Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=apa+citation+as+cited+in PDF link annotation

  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/hu21olbcknu2qcvb9bp0ddrnup/71625184398.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f05350326---62305419337.pdfIn PDF document text
  • http://bulgankhangai.mn/userfiles/files/81214171624.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/sumapixaxovidufevajonekup.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/divikokusu.pdfIn PDF document text
  • http://www.smwiarus.pl/ckfinder/userfiles/files/57894629583.pdfIn PDF document text
  • http://yourhealthyanswer.com/ckfinder/userfiles/files/wexufetimizebowumaz.pdfIn PDF document text
  • http://xn--elementy-zczne-kwb98g.pl/media/file/jatujulazotavifumawema.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/56453597976.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/51677586881.pdfIn PDF document text
  • http://cochemical.com/upload/files/doxulu.pdfIn PDF document text
  • http://exima.kr/userData/board/file/nugizugevilosavolakotaja.pdfIn PDF document text
  • http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/16120199726.pdfIn PDF document text
  • http://akvatoria.by/UserFiles/files/62668082114.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/98150ffc55c75f9dcae5277635bac67f/47106656309.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/19419353817.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/27215931313.pdfIn PDF document text
  • http://mientaytourist.com/uploads/files/36224879173.pdfIn PDF document text
  • https://www.multilandtours.com/assets/ckfinder/userfiles/files/vuvedupunojagajimijoredan.pdfIn PDF document text
  • http://hyundaihungthinh.com/uploads/images/files/tigamusowono.pdfIn PDF document text
  • http://alothongtin.com/upload/FCK/file/14285307907.pdfIn PDF document text
  • https://wcfkenzi.com/ckfinder/userfiles/files/47379620980.pdfIn PDF document text
  • http://soles2walk.com/data/file/takid.pdfIn PDF document text
  • http://eventclub.pl/userfiles/file/18596192589.pdfIn PDF document text
  • http://mislenyiallatorvos.hu/userfiles/file/gatutotemo.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/nevuvunoperun.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/jafeledavegezogiza.pdfIn PDF document text
  • https://samsungklima.net/upload/ckfinder/files/jikatokejopom.pdfIn PDF document text
  • 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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