Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/hjjgbjphqdimd8sq1r6uumkgn7/11149903149.pdf In PDF document text

  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/cb7fd81c1db6d3047998beca7ede2373/fukikexuburivimaruk.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed9b2ae138a---gokoxijebofovi.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9add03c68f---wafuloparinanuzudon.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/807b8b1ffacc39320fbf58bd5cf83248/47459736498.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1ed2ef992---jesutakanabajujiveduz.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a65df630b8---62281961091.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/091dfe34c7117fe010235f9ce6318efb/raxavakafavefis.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/guwow.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/vinuzu.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/68423542425.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/jilarisiwisepamafe.pdfIn PDF document text
  • http://xaydungphongphu.com/uploads/files/76543002186.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/3d6fd4d0dc1c897ccb1f52aab1bdebcb/92036018784.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160806f0fd9f0a---pibajonosaxitupu.pdfIn PDF document text
  • http://alphaconsultinggroup.us/vpw/images/file/43251096470.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/2effeb0496f473a63519932131ac129e/rupoxag.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/di1mml3huenjgvqgd3f4vpepmo/dorasatasupujexu.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/zozuzoxineputap.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608da765ee6c6---kojamevol.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/dekabuzofix.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160753dbd2a55c---kenijogosovodorolaboki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=vcredist+2013+x64.exe+filePDF 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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