Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://huntic.ru/uplcv?utm_term=molecular+biology+of+the+gene+6th+edition+pdf PDF link annotation

  • http://jubileejec.com/userfiles/files/78583483138.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/93858873596.pdfIn PDF document text
  • http://infracsap.hu/files/file/4502205571.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5a6f6bc07---74046586668.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/wigufopufu.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/23600377219.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/17149643835.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/39194142072.pdfIn PDF document text
  • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/zodafidakuzew.pdfIn PDF document text
  • http://www.ortodonciaelisafarache.com/ckfinder/userfiles/files/25912229568.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161429b9185007---32952111493.pdfIn PDF document text
  • http://sanmorales.es/userfiles/files/85939014126.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bb097fde3---27882253432.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/84620770061.pdfIn PDF document text
  • http://studiosiciliani.eu/userfiles/files/10061152877.pdfIn PDF document text
  • https://emenu.hu/editor_up/jisutefipupinuvito.pdfIn PDF document text
  • https://showdetango.com/bafa/userfiles/file/9161762357.pdfIn PDF document text
  • http://rm-centr.ru/uploads/file/84352141658.pdfIn PDF document text
  • http://namlinhchisapa.com/userfiles/image/file/19408535137.pdfIn PDF document text
  • http://aias.pnu.ac.th/ckfinder/userfiles/files/94352833760.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/fifufojuvit.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/gezukoragune.pdfIn PDF document text
  • http://indianspringhomes.com/userfiles/files/2848169750.pdfIn PDF document text
  • http://hc6999.com/userfiles/files/tezovovem.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161316e00aaa5f---pilimuma.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/54293796995.pdfIn PDF document text
  • 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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