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://coretry.ru/uplcv?utm_term=clash+royale+unlimited+money+and+gems PDF link annotation

  • http://odnoklassniki-files.ru/images/uploads/files/41940879714.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/78905326466.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161466f6f7cf1d---37403101425.pdfIn PDF document text
  • http://sm300159.agchost.com/userfiles/files/12733811959.pdfIn PDF document text
  • https://korvioinfotech.com/ckfinder/userfiles/files/23205128748.pdfIn PDF document text
  • https://computerzone.pk/file/wosivazugelazereku.pdfIn PDF document text
  • http://propack-th.com/image/upload/File/kimilalavijob.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/ruxazalubowo.pdfIn PDF document text
  • http://kool-house.com/upload/editor/file/51118121688.pdfIn PDF document text
  • https://eventaipei.com/upload/files/38779896734.pdfIn PDF document text
  • http://vrakskodamnetice.cz/file/26776633191.pdfIn PDF document text
  • http://technimexvn.com/images/ckeditor/files/lewikuzumasalogemofax.pdfIn PDF document text
  • https://ww150008.linebot.net/upfile/files/20210925131419.pdfIn PDF document text
  • https://rtquery.reitoken.org/Coaching123/images/files/92465499086.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/4493de641203b00020cd1da6b399a7b1/54250136435.pdfIn PDF document text
  • http://chinazzjx.com/d/files/guziwaxorunezov.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/sezimomeweloweti.pdfIn PDF document text
  • http://tecniagua.es/uploads/ckfinder/files/tazosebenezozi.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404dd9a1893---nudodexonulekogatenop.pdfIn PDF document text
  • http://tatnhapkhau.com/ckfinder/userfiles/files/xozoruzimebobobunulorab.pdfIn PDF document text
  • http://schule.havonix.com/ckfinder/userfiles/files/25700099125.pdfIn PDF document text
  • https://codefon2.solar-napkollektor.hu/js/ckfinder/userfiles/files/repojofilapas.pdfIn PDF document text
  • http://oikoscoccatoarchitettura.com/userfiles/files/53342959216.pdfIn PDF document text
  • https://infotechsystemsonline.com/ital/www/img/file/zewusixipug.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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