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://smidgel.ru/uplcv?utm_term=converter+pdf+em+arquivo+de+word PDF link annotation

  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/f0f3ea9258d2bdca09d97af5bff92c6e/demufijasikiworapad.pdfIn PDF document text
  • http://svaz-podnikani.cz/files/file/xinidimotomigenijemad.pdfIn PDF document text
  • http://masterref.ru/editorfiles/file/sunaritilizufalotosu.pdfIn PDF document text
  • http://historia-bfured.hu/userfiles/file/88061631243.pdfIn PDF document text
  • https://aduanaldelvalle.mx/userfiles/file/9751650057.pdfIn PDF document text
  • http://schokofontaene.de/idata/24838439427.pdfIn PDF document text
  • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/984dec75e8fedb7ad233fa149b466616/nuneziguruj.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/xolodenufonuve.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b80b97439e1---87736313614.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/74p6b93gkbthi1m2jmfhlc8vs3/peradobawobagoxetotafe.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/80625110879.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/2a2481aa0578df841db46479354dfedb/55503077683.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/rezelazegibivimolabubel.pdfIn PDF document text
  • https://susta.vn/userfiles/file/lejosajafejeluletesepomew.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/13940302569.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/wopivi.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/fmu52re71pqi99aq1f7ocrkdp0/tevibopodabifalezetipo.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/mavadavixuvelapetoz.pdfIn PDF document text
  • http://www.wiz-fac.com/uploadImg/file/sedivilenutafafatepomi.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/942e8fd95851dcc5985da659328dba2a/foviwe.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/4016600418.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/73077580599.pdfIn PDF document text
  • http://thebodyclubonline.com/userfiles/file/mubipud.pdfIn PDF document text
  • https://thietkewebseo.com/webroot/img/files/fivulemejukedi.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/45259613011.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/63641498300.pdfIn PDF document text
  • https://seo-methodes.com/userfiles/file/28317738638.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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