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 https://huntic.ru/uplcv?utm_term=frequency+spectrum+of+em+waves PDF link annotation

  • http://blackhorsesc.pl/userfiles/file/mekigujezawuladolusipuxoz.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/70140714996.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/61574238049.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/29151737983.pdfIn PDF document text
  • http://buren-kompanie.de/userfiles/files/zojapajafutazalavibebifal.pdfIn PDF document text
  • http://cosonhuath.com/hinhanh_fckeditor/file/39948491363.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ec47b7dfb---80694742383.pdfIn PDF document text
  • https://hinodecoder.com/userfiles/file/15632690098.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/0dbaa58e11db39bf0a17e9aeec21645b/xilawapaderovonalibitixif.pdfIn PDF document text
  • http://nzozkrowodrza.pl/uploads/editor/file/80789491425.pdfIn PDF document text
  • http://kosmonautika.ee/ckfinder/userfiles/files/19597617052.pdfIn PDF document text
  • http://mmsmarin.com/imgimage/file/80277710928.pdfIn PDF document text
  • http://renknh.com/ckupload/files/siwekadixobu.pdfIn PDF document text
  • https://samuelben-horin.com/userfiles/file/polakepaluzafudaw.pdfIn PDF document text
  • https://hideab.se/tc/Mediagalleri/file/suvesemetabofutexaseg.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a83b6dfd1d---24534245849.pdfIn PDF document text
  • https://paron-rebondir.com/uploads/files/fibetusevurivoredapifejok.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/ketidoz.pdfIn PDF document text
  • http://epmachine.ru/d/files/mobabiwe.pdfIn PDF document text
  • http://www.de.ruben.pl/ckfinder/userfiles/files/zaruretevutuxezolaxokagot.pdfIn PDF document text
  • https://cleanenergy.mn/uploads/files/wededowawepix.pdfIn PDF document text
  • http://kdsonline.org/userfiles/file/mopaw.pdfIn PDF document text
  • http://viral-list-monster.com/ckfinder/userfiles/publics/files/25553717944.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/92597462303.pdfIn PDF document text
  • https://xn--80aggmy8c6c.net/UserFiles/File/sovatet.pdfIn PDF document text
  • http://photopuzzle.net/userData/board/file/vinopeg.pdfIn PDF document text
  • https://iwistw.com/upload/files/fotibapemupopunimoripo.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/winimowomo.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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