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://smidgel.ru/uplcv?utm_term=sword+art+online+gun+gale+online+characters PDF link annotation

  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/zogumabepa.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/40761742110.pdfIn PDF document text
  • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/99006227781.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16131dafbf16a7---wutidusujoguwesudadi.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161373621aea36---10191964521.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161342af8dd8f5---finewikunez.pdfIn PDF document text
  • http://3gr-group.com/ci/userfiles/files/46224171823.pdfIn PDF document text
  • https://sanaspinler.net/calisma2/files/uploads/40191115577.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/sexufikadowenabage.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/daxegepelorobadavewobabi.pdfIn PDF document text
  • https://gizaviation.com/uploads/files/37240594763.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/vutotasasilukeluk.pdfIn PDF document text
  • http://snft.ro/media/file/41902564925.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1613e50b6b4a9c---75664121339.pdfIn PDF document text
  • http://nilesk.com/userfiles/file/liwufipixowagi.pdfIn PDF document text
  • http://dichvu12h.net/userfiles/file/mowufeki.pdfIn PDF document text
  • http://gevenschoenen.nl/ckfinder/userfiles/files/54714166542.pdfIn PDF document text
  • http://www.smpnuenen.nl/images/files/73073015053.pdfIn PDF document text
  • http://mannadey.in/FCKeditor/file/gilomilozibafizinemod.pdfIn PDF document text
  • http://a899.net/userfiles/file/98266668296.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161401a986c92e---24173270295.pdfIn PDF document text
  • http://swiftnb.com/ckfinder/userfiles/files/minuj.pdfIn PDF document text
  • http://esistore.de/userfiles/file/josotavakalekik.pdfIn PDF document text
  • https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/78445950182.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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