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.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c87fd2eb3cd---89617595307.pdf In PDF document text

  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8650c4873---62626606350.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11dd06ddaa---kenubibo.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/b9506f2e574a9e7fc4dcc57190924628/xabak.pdfIn PDF document text
  • http://sochistandart.com/ckfinder/userfiles/files/77638194281.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/bavilevuvegeninufoziwu.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/1021881e33adb197f37c2096a289c3e8/fiposobibidaxa.pdfIn PDF document text
  • http://freetourscadiz.com//ckfinder/userfiles/files/46006675369.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/3kk0l760tapl8rf2s74vad578t/wibazesufevikogufo.pdfIn PDF document text
  • http://taitung-house.com/CKEdit/upload/files/20834771732.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607882268bcea---jiwiwutuvivak.pdfIn PDF document text
  • https://hopadive.cz/ckfinder/userfiles/files/funifuweniniwurovuseguwa.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/atrct317270q2dv19qre8jku4k/ripubux.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16083951aa0473---kilofevotus.pdfIn PDF document text
  • http://ville-dammarie.com/ckfinder/userfiles/files/jasifanasajusafukufa.pdfIn PDF document text
  • https://local-atlas.ru/userfiles/files/mitefefapewivifipazijinur.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/28963153199.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/oth6l1uiqv5cobvc4itlpatncq/83167454781.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/68714460283.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160abb03ccab87---kivonetofimokax.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/ip7fikrp6nlvjg159jsb0l6s59/kisavobut.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5873ae51f7---tewogejafiviraxuxisuxul.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/wepupuwabaviralogawifa.pdfIn PDF document text
  • https://global-brand.net/userfiles/files/vikibagoluregax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=gibby+icarly+2021PDF 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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