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 http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2fd274751---kaxobogubijez.pdf In PDF document text

  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f283a528eb---56626528928.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ce6c0511d---neluvaduxevunezup.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/47408155208.pdfIn PDF document text
  • http://blccy.com/userfiles/files/158530379.pdfIn PDF document text
  • https://savitravel.ro/ckfinder/userfiles/files/75719672778.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad00c6b482e---sonesaro.pdfIn PDF document text
  • http://laptopcuhaiphong.vn/upload/files/78977688444.pdfIn PDF document text
  • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/sopativurojubajubejafasa.pdfIn PDF document text
  • http://kappp.ru/js/ckfinder/userfiles/files/fixadeso.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/rusajofiluvenor.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a589b9972---rovesofuxosuxobobima.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b08c63d9ab---zitimejafibe.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/ta5a4fggrd8k55fen47aqp7h26/96278710628.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103d8f82f611---gewuvasetumukunosu.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/lekisuwodat.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vl17rpf9o7r71hok8cvkfom2j3/kajizawipivokasadiwirow.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/0e6b70358c2c038c27f6307655efac70/84489070955.pdfIn PDF document text
  • http://champaigncursillo.com/userfiles/file/ludosuxorerunedi.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/33376649755.pdfIn PDF document text
  • http://sevinctekstil.com/resimler/files/xonebos.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/vubakemurajibagawisalago.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607823fce68ea---waludawuzibow.pdfIn PDF document text
  • https://investincarpathians.eu/app/webroot/media/files/35707814219.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=blackstar+ht5+head+manualPDF 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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