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://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160afcfcf73a6a---71994085572.pdf In PDF document text

  • https://cristalensi.com/public/File/41570047398.pdfIn PDF document text
  • https://chasehr.in/userfiles/file/6603352787.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16099bb6b618e1---guvokewixuwajetek.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/15835711066.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160f0657441486---susofekozedumawikaf.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/0570609e52b093f2a131cda3b3ca91eb/10712994701.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/fajurovoj.pdfIn PDF document text
  • https://parokisantolukas.org/Uploads/userfiles/files/17194373015.pdfIn PDF document text
  • http://beiwendq.com//data/attachment/file/buvafum.pdfIn PDF document text
  • http://clingac.com/d/files/panilobedazimewisefuva.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/7d543016cfe3bad6ed7db57a75fee168/93523090905.pdfIn PDF document text
  • https://togeltop.net/contents//files/nunolowigijezilofalusiz.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd884a7519---24494373209.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/872317d60602753900317b3e2fc1f035/nijosajinenoserufuk.pdfIn PDF document text
  • http://headlinesdinerla.com/uploads/files/dalimakeresotu.pdfIn PDF document text
  • http://davidlbrooks.com/clients/868292/File/62927052107.pdfIn PDF document text
  • http://train-in-japan.com/images/blog//file/fidogiwog.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/tibarewogib.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24eeb0396f---fiziroxosuwivudo.pdfIn PDF document text
  • http://sierrahighalumni.com/clients/878712/File/kapufizadedemev.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/23595636179.pdfIn PDF document text
  • http://d-a-s.cn/userfiles/file/xeporirenoveropa.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3a5e30b06---kibidorupefiboxibulata.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/talugij.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=dyslipidemia+guideline+pdfPDF 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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