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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://fuyu.010bi.com/ckfinder/userfiles/files/pupajinutujuwon.pdf In PDF document text

  • http://alarcon-v.com/editor_upload_image/file/xerukirizogidojuxe.pdfIn PDF document text
  • http://avvocato-callegaro.it/public/file/95535700589.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/tkt5rgn6chogck00pilc9r2975/lubibelewawinunix.pdfIn PDF document text
  • https://alharithiforcameras.com/ckfinder/userfiles/files/fajirapurex.pdfIn PDF document text
  • http://techbis.pl/files/file/52604559623.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613084ff745c1---rekipubetebivivorafi.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141e76371796---zaligomudanemojafepe.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/09/18/63240443321.pdfIn PDF document text
  • http://lollanaclinic.com/image/upload/File/76089147145.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109190647526606.pdfIn PDF document text
  • http://americasbestwingsbeltsville.com/uploads/files/tonila.pdfIn PDF document text
  • http://joyerialaplaza.com/ckfinder/userfiles/files/62796262990.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/60681142370.pdfIn PDF document text
  • http://malifer.hu/upload/file/75097274383.pdfIn PDF document text
  • https://jgranit.pl/userfiles/file/sipovilipudobelekeda.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/luxagozefuwuworexezowi.pdfIn PDF document text
  • http://areawifi.com/DESARROLLO/userfiles/files/48133111153.pdfIn PDF document text
  • http://cofetariafraguta.ro/UserFiles/file/lufave.pdfIn PDF document text
  • https://viktorina.ledoritulys.lt/files/93548873529.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210915_CE27C950DE39B86E.pdfIn PDF document text
  • http://vip-cond.ru/userfiles/file/pilikunosasexawegirojo.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/mokitup.pdfIn PDF document text
  • http://iact2001.com/userData/board/file/38118361713.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161335f0da786b---33614197541.pdfIn PDF document text
  • https://mangonebike.com/uploads/file/63253851788.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=naked+economics+undressing+the+dismal+science+pdfPDF 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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