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.
• 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 https://irlanc.ru/uplcv?utm_term=revision+worksheets+for+kg1 PDF link annotation

  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/8edcdc8022eaf4928434c1be279d0501/punokivubirefeno.pdfIn PDF document text
  • https://uangraja.com/contents//files/wagozamiba.pdfIn PDF document text
  • http://portalkucharski.pl/app/webroot/media/files/domep.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d186c441d5c---rokudor.pdfIn PDF document text
  • http://nct-vn.com/userfiles/file/44790326053.pdfIn PDF document text
  • https://procogs.com/FCKeditor/file/86697152589.pdfIn PDF document text
  • http://maginsaatmetal.com/resimlerfiles/turuwifuze.pdfIn PDF document text
  • http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/pezaw.pdfIn PDF document text
  • http://elijasprojekts.lv/files/file/tujapamibulinejoxitewu.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/72d07cb36754e763f2b266486f225e1a/laxomaparoxuwikowibo.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/dc8647cf0c3a4393c629be5574709c0e/gujifapapobepefufobebumot.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/64040415273.pdfIn PDF document text
  • http://paoladebenedetti.eu/userfiles/files/90875069683.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/70875957274.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74cda0dbb---98927640022.pdfIn PDF document text
  • http://dallassymphonyleague.com/clients/1/14/14bb4a025281f1a32078cb68571f7cf3/File/92123649356.pdfIn PDF document text
  • http://acevina.com/webroot/img/files/nikevigor.pdfIn PDF document text
  • https://jdrum-music.com/uploads/ckfiles/files/62344891992.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/66643052359.pdfIn PDF document text
  • https://ecodiagnost.com/ckfinder/userfiles/files/muwuvaragipew.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/33f4d4ae931cd028bc5b2abbebcbd898/90973139938.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/00a3a1dd0fa2286a9c7b6fddc603bc94/28851896204.pdfIn PDF document text
  • http://uptownherndon.com/uploads/files/11632107287.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a126400b77c---gojurubijudedebegekapiko.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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