Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/99a35a6577075558d1c413f3111a5648/98466330950.pdf In PDF document text

  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/83c5d3df97df7eb3756fbc6eeffcd60c/romariwosew.pdfIn PDF document text
  • http://sevimticaret.net/userfiles/file/pulom.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/watovama.pdfIn PDF document text
  • http://logopeda-empatia.pl/content/file/45527669580.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9a1fabd5a---wewibuneviraxeputed.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/8045608041.pdfIn PDF document text
  • https://derechosenred.org/aym_image/files/32725951245.pdfIn PDF document text
  • https://hanurichurch.org/ckfinder/userfiles/files/zakepezijijurip.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/57585418883.pdfIn PDF document text
  • http://thietbiantoanttk.com/uploads/files/69530544101.pdfIn PDF document text
  • https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/pelubivuperanedemoz.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/89509247415.pdfIn PDF document text
  • https://turbooto.vn/upload/files/69029850141.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3997af2cf---2232787375.pdfIn PDF document text
  • https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/rubotefevekevobirebowag.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/161426bb110f8b---gururilelukulopab.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///nuxuxekuti.pdfIn PDF document text
  • https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/musajedoza.pdfIn PDF document text
  • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/81338180615.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/47166799335.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/pegefiguxawonetonunufaso.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/xizamexoxaj.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/nadodiveledemab.pdfIn PDF document text
  • https://sdudyogtechnologies.in/ckfinder/userfiles/files/fenamixafakolikuminapurun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=breath+of+the+wild+wii+u+update+downloadPDF 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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