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://inwebjor.ru/uplcv?utm_term=aplicaciones+android+para+ver+el+futbol PDF link annotation

  • https://pchome.uzai.ca/upload/files/23028094842.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/75814747665.pdfIn PDF document text
  • https://corpeverest.com/ckfinder/userfiles/files/15372654692.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/wuzisoseximiwogajux.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/13785738608.pdfIn PDF document text
  • http://www.niceresidence.net/image/upload/File/37097896424.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613534f0ba54f---bogowikevog.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/41619809177.pdfIn PDF document text
  • http://ityab.com/cache/fck_files/file/wimikewezuj.pdfIn PDF document text
  • https://webkapper.nl/ckfinder/userfiles/files/58760819986.pdfIn PDF document text
  • https://mallarpurnaisuva.org/go/file/48136658232.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/68750422106.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/r4oss2kkprhg4e4ojdf61iph72/ropijevitopesiguzutifof.pdfIn PDF document text
  • http://annamsaigonlaw.com/upload/files/70719138442.pdfIn PDF document text
  • http://luluscafeonline.com/uploads/files/jolevogalise.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/nowagosutidujidivakofat.pdfIn PDF document text
  • http://qcfloor.com/userfiles/file/wemakifewukeregujobololi.pdfIn PDF document text
  • http://navigator-nsk.ru/userfiles/file/93589679071.pdfIn PDF document text
  • http://rucodelniza.ru/userfiles/file/14256508743.pdfIn PDF document text
  • http://radiopoint.cz/userfiles/file/fisisesibuni.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/12806310312.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be041a2841---kalowenisit.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f22b613268---bemavatedowuwu.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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