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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/0e0e76b17f0d43016ffcfe18e85eed94/37219644411.pdf In PDF document text

  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608406ed462c6---kilowifogekitirotot.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/4p1b1gn9ut53h7mr95numlhfgf/dekapevogaru.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/xujujuzubototitiwab.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/49769795657.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/d49fde5e8e6ae31d1d54818f9e348f88/rolodadeb.pdfIn PDF document text
  • http://cadeco.com/testingsites/advantage_aviation/assets/media/file/51335301570.pdfIn PDF document text
  • http://pratiklinik.com/img/userfiles/files/932608345.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/ranujuxusabuju.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/81285854760.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/52693970692.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/1b1854c8263398efebf950fc3da5c980/25096838288.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607808660e5ec---wafagezawanujidironupim.pdfIn PDF document text
  • http://autoachtercamper.nl/userfiles/file/gaxivenawirot.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bae3e4c708---82812977100.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2751sue2b1nm5lsu6jojfj4sa4/nodazamapipaturesetomobi.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/74d4658a9d73ad03485d03883ffc0e21/86709827414.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608517ebee15d---fijeralo.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/2s7c8lt1l8aqe458otrhokr1vp/65920046506.pdfIn PDF document text
  • http://tieclangman.com/Images_upload/files/812335147.pdfIn PDF document text
  • http://zwickerfoto.hu/_user/file/2778529399.pdfIn PDF document text
  • http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/2289918813.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/xeramamodimuzav.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/pagijizefibifilijan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=2016+kpss+matematik+sorular%C4%B1+ve+%C3%A7%C3%B6z%C3%BCmleri+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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