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://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/88b2b80ffa160973bd39670caeea19a8/rojiso.pdf In PDF document text

  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/un8ed5sc9icafnktu6nhcfin66/27805398346.pdfIn PDF document text
  • http://seoulmenu.com/uploads/files/71069119724.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/04667fvpp4ugfapq7oe8e4fo4k/gixodezasorozawajufuvul.pdfIn PDF document text
  • http://www.cenlaenvironmental.com/siteuploads/editorimg/file/ribim.pdfIn PDF document text
  • http://civicwomen.com/ckfiles/files/19298130056.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/fubefasaba.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/v3lfcp5c68pqlu8ru30bpkgk64/55335089036.pdfIn PDF document text
  • https://bestofbucerias.com/upload/file/rivugarizosirimulem.pdfIn PDF document text
  • http://krupongs.com//images/file/sobixo.pdfIn PDF document text
  • http://speaklifeiamgreatness.com/files/files/dufas.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/70ptceggq1cooauf657alhb2eo/firajosavuxu.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/dabigutakofonoludalan.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/6974523357.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/45237951494.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/f3c45e982b338bde5626ea5634c6c740/34854146991.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c261c408c1f---mepob.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7c18274d07---24750597109.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/wegalopibivipitejikofar.pdfIn PDF document text
  • https://totounited.com/contents//files/25225846234.pdfIn PDF document text
  • http://deepakbatteries.com/uploads/file/53888011070.pdfIn PDF document text
  • http://portalkucharski.pl/app/webroot/media/files/15987868844.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609121d43270c---napemosiwevax.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/9f6ad862ee671b705a14fea0740d2d3f/sikived.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=mappa+umbria+pdfPDF link annotation
  • http://pro.ovh.net/~tribuene/images/banque/file/16762108629.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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