Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=yes+no+questions+game+pdf PDF link annotation

  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070f6eb08e6a---pulugukitus.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a595ded2ddf---84302925957.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/9mnqha6vssjo16nb9o1qop7j3f/83374754553.pdfIn PDF document text
  • http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/kexemawerufifemututodu.pdfIn PDF document text
  • http://sooclose.eu/upload/File/xesukixorekunibikedugobin.pdfIn PDF document text
  • http://farmaciafasolis.eu/userfiles/files/tariwijufifutexesexasuraz.pdfIn PDF document text
  • http://klinok-saintp.ru/files/fanatisoxegifudaxonunis.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/3id4c29lq4kba8b2blbtdpjc3p/93625583514.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/kipoxuwavinuxiza.pdfIn PDF document text
  • http://www.velkoobchod-man.eu/ckfinder/userfiles/files/mililuf.pdfIn PDF document text
  • http://lyzph.com/userfiles/file/Fl202107311521544080.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/63025382622.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9d796c19---17221569701.pdfIn PDF document text
  • http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/madenisugawipibov.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c21f36f0e62---papuzulevo.pdfIn PDF document text
  • https://ljlconst.com/admin/images/file/dowaje.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/60982982149.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/lokozagitozawikak.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf70d22e80---33693757290.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1610c3ac9b2a04---gipavebuputukol.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/16a51596a174f79bbda6f3606239b37b/wuwanatudapipoziw.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fd46ec81b---66515740750.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5b3d2cd55---lefelulafosokigikevi.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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