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://wastran.ru/uplcv?utm_term=chrome+font+size+android PDF link annotation

  • http://vladjurnalist.ru/archive/file/53419075031.pdfIn PDF document text
  • http://lexen.ca/userfiles/files/nazozuni.pdfIn PDF document text
  • http://gardens-spa.com/user_pict/file/tajiteb.pdfIn PDF document text
  • https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/27801506327.pdfIn PDF document text
  • https://amadesafar.ir/basefile/amadesafarir/files/16661912093.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/63284506533.pdfIn PDF document text
  • http://shiraz.sk/ckfinder/userfiles/files/68198921320.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/84b0f31770a205531575ceba0a471535/vubonatiwifidekovedagimog.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/diloxenino.pdfIn PDF document text
  • https://osikovo.eu/webroot/img/content/files/47469293825.pdfIn PDF document text
  • http://homearcky.nl/userfiles/file/77086434745.pdfIn PDF document text
  • http://hagithanh.hagigroup.work/data/media/files/ririfezavujotagix.pdfIn PDF document text
  • http://integrotech.eu/zdjecia/file/wejer.pdfIn PDF document text
  • http://gld-lining.com/user_img/files/85649262648.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb32aa2c67---16272815804.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/monekipowajipu.pdfIn PDF document text
  • http://kingsfci.com/userfiles/file/97330577365.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/81430355270.pdfIn PDF document text
  • https://vicareyou.com/userfiles/file/74587286992.pdfIn PDF document text
  • http://georgekoldun.com/var/upload/file/25922755178.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/mamikimom.pdfIn PDF document text
  • https://toyotaautobody.com/ckfinder/userfiles/files/78443375669.pdfIn PDF document text
  • http://www.louisianarebarcontractor.com/editorimg/file/feperojusovano.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304169bbaf4---zefon.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/zusawuzapuva.pdfIn PDF document text
  • http://namjapizza.com/app/webroot/files/99530834247.pdfIn PDF document text
  • https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/21995018675.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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