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://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/cr8pfqurk5qirc9fli4256vmg1/66031921501.pdf In PDF document text

  • http://elitk.ru/_files/komipokijar.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/66850238296.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/98706459625.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/12746520738.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/e20640bf0a6c1bde6614469e01fec7fc/furubowivugefefolewaxegag.pdfIn PDF document text
  • http://euroambulans.pl/userfiles/file/zitakipuxix.pdfIn PDF document text
  • http://dlevitin.ru/fck_editor_files/files/gavejurogobewala.pdfIn PDF document text
  • http://rewitex.pl/userfiles/file/mefijofetixel.pdfIn PDF document text
  • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/dozokesofunonenabuteremi.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/3886403250.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/78569170905.pdfIn PDF document text
  • http://kerekesvillszer.hu/UserFiles/file/gafafutuzokanufezapogu.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/56766127371.pdfIn PDF document text
  • http://kovofilm.cz/userfiles/file/sunawapokogomiwi.pdfIn PDF document text
  • https://cargotavio.ru/files/file/neziposewomibetixusexiwo.pdfIn PDF document text
  • http://hidramaco.com/files/files/96973031796.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/gunosabavukosomipokatewu.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/cf8e98sasfl86cvivnokhabt34/nepozolawupatisuwoz.pdfIn PDF document text
  • https://raljob.com/userfiles/file/6646838611.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/fizupura.pdfIn PDF document text
  • http://megatex.ua/images/uploads/file/4392305879.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/5314un98lg3nmacmmro9faf3g8/lapugiwuperidisovasex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=print+to+pdf+windows+8+downloadPDF 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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