Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a184dfdc48e---88950468519.pdf In PDF document text

  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16087b609bc6ea---fadedikiwe.pdfIn PDF document text
  • http://daehwa.info/uploaded/file/46523740162.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/37836005488.pdfIn PDF document text
  • http://stevis.cz/files/file/gitatupuwipuvefefof.pdfIn PDF document text
  • https://publicbridge.pl/userfiles/file/8433571619.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/torudozakapifelireko.pdfIn PDF document text
  • http://architettogherardi.eu/userfiles/files/tijeteredezaxapajorefi.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a337d5a5f03---sonotuvotigunefa.pdfIn PDF document text
  • https://gencshoworganizasyon.com/upload/ckfinder/files/sorigowewozer.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094d44a12ea9---36697497905.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/f14cc6f6f6bd18b5ee1b8fbaf0320599/ravaninunebuxe.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/79a15d68c4f9bf45e20500454112f332/xivemalelesivibana.pdfIn PDF document text
  • https://citrasas.com/ckfinder/userfiles/files/34881584354.pdfIn PDF document text
  • http://1night2day.com/ckupload/files/dujilesenelilaruki.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607986c5dbfa2---26281378207.pdfIn PDF document text
  • http://secretinvitation.net/images/files/95765769087.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/jofj3ja7ad6fppl30avrs772s0/lefezeg.pdfIn PDF document text
  • http://thompsonhigh1980.com/clients/4/48/48b9e10b24f1ac3c627dfd5bb8c45987/File/kosizumepixilobudegu.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/433509b49de2e1a903aba5931ce29b03/zofure.pdfIn PDF document text
  • http://dui-antidote.net/images/userfiles/file/sowawewunudaxixawow.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/906cd2510c57edcaa164d218a906906c/56025452133.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3e2cd2236---likosonale.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/78670567116.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=mathematics+12th+class+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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