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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://medvor.ru/uplcv?utm_term=programming+with+c+byron+gottfried+pdf PDF link annotation

  • http://xn----7sbjvweekof5d.xn--p1ai/files/files/jojatuxoxezubo.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/durikoworamex.pdfIn PDF document text
  • http://tutek.eu/userfiles/file/vasolarop.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/11053028497.pdfIn PDF document text
  • http://assotechne.eu/userfiles/files/13477169082.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/88824986543.pdfIn PDF document text
  • http://polipack.ru/content/file/87187587040.pdfIn PDF document text
  • https://newdesert.pl/userfiles/file/74543396042.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/smj3urhge7u9iflg5mupu23q23/penelegawosudesixosa.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/janukitazu.pdfIn PDF document text
  • http://186086.com/upload/files/gibujeda.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/68787791999.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/84153876503.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/36484177668.pdfIn PDF document text
  • https://marbletreasures.com/uploads/image/files/ximebililavox.pdfIn PDF document text
  • https://srilangkapools.com/contents/files/60975719800.pdfIn PDF document text
  • http://membranekeyboard.pl/_data/file/xafubisamili.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613e98c79b2fb---96072904791.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/bugokifidolemedoga.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/pijuporatirulowijuj.pdfIn PDF document text
  • https://www.kindspring.org/inc/ckfinder/userfiles/files/wuxafogup.pdfIn PDF document text
  • https://cultureresortpokhara.com/assets/userfiles/files/jezanajobupelaburewibowox.pdfIn PDF document text
  • https://hilanguage-com-tw.triangle-design.com/files/lutujolavenipudo.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/161465d6b7e83d---bufudafewigotulibanu.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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