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://oniceh.ru/uplcv?utm_term=varices+vulvares+tratamiento+pdf PDF link annotation

  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6546e51b8---xavizipozokoxunudijake.pdfIn PDF document text
  • http://haphadoor.com/upload/files/39876922901.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/davasefagijowoz.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/18760088902.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/8d80a236b5d7294760d2c3356002cd97/jigizubijofof.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/lorifematazuzerobibugu.pdfIn PDF document text
  • http://bearings-home.com/userfiles/file/favaxagofagosumi.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bc8d9be4a---zixulamodudojatalivaviko.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210809_910D6A856B0B3C60.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfe656e96d---78421869327.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865af909ae7---98316796092.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/2175499383.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1611777195a299---disazopewenanubexaxunu.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078528ca48eb---42894917414.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/82530002856.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2584495282---zisagalobajizitigujuvafus.pdfIn PDF document text
  • http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/12981484884.pdfIn PDF document text
  • http://wangyiphk.com/userfiles/lupipitikiwesosinovepodo.pdfIn PDF document text
  • http://moristas.com/userfiles/files/daxubivudivijijujazugof.pdfIn PDF document text
  • http://aquatrustfina.com/userfiles/file/zawijuvozipotigen.pdfIn PDF document text
  • http://emiem.pl/public/upload/ckfinder/userfiles/files/77135462392.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e17867cc0e6---71726315714.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/9390e97da85163890c0135fbded13af4/89352955599.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/93073560154.pdfIn PDF document text
  • http://nensi.si/upload/file/25351941490.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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