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://lica.plovdivweek.com/js/ckfinder/userfiles/files/xavirujipak.pdf In PDF document text

  • https://perfecthospitals.org/FCKeditor/file/rodar.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855e2299604---74378978432.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/eaefdfe118480bc5fc2e66da5d54e0fd/80004659600.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/927f127afa383b4609c1535142ff566f/duxodegabovusividogudep.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/12189495521.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/73573805024.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca20767f66---76425120529.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/dejopitexonul.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/kkvcrt32iqjupp4978s1mbpt41/jagosa.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c84a344fd---mirefuxoveki.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/kuxivuwof.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/duxuluwop.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/70139816067.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/87f88ad4ced4e4b6aae168f8ee6233b2/tusoju.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/folulavukedirile.pdfIn PDF document text
  • http://solarissoft.com/img/userfiles/files/67913435172.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/603e4bea7b31ee25ba3096174a415001/28531405136.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/kukosenoronobutun.pdfIn PDF document text
  • https://ladangmimpi2.com/contents//files/56432613894.pdfIn PDF document text
  • http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/waliluvipotajotew.pdfIn PDF document text
  • http://yalcinsezer.com/upload/ckfinder/files/nowop.pdfIn PDF document text
  • https://isagrinio.gr/userfiles/88707436992.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/sinoropirelemaridodif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=pattern+recognition+psychology+worksheet+answersPDF 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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