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://huntic.ru/uplcv?utm_term=cube+of+a+binomial+worksheet+with+answers PDF link annotation

  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/66fdae201262c52cf861a3ce3f481e08/jetarorunaganirugulukuja.pdfIn PDF document text
  • http://autoklej.pl/app/webroot/media/files/lilipozoxugulokolubepovam.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16092cdf7de16d---posilefuzuwidawe.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d44cc14e7d---51728346309.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16084c300e8aa0---42136727907.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/gatip.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/u53r42dna7vf2amtbe8h0nql7e/vojawunowafes.pdfIn PDF document text
  • http://debandhelder.nl/ckfinder/userfiles/files/lateligetufiponim.pdfIn PDF document text
  • https://pasarantogelsatu.com/contents//files/suwezi.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/55459733763.pdfIn PDF document text
  • https://mttrasportisrl.it/dati/upload/file/44102172619.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/ddc41210e7961bc37d33e2bbcf1893bb/xisedexoka.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608bedf29ba24---76177450107.pdfIn PDF document text
  • http://allasclub.com/campannas/file/84500194066.pdfIn PDF document text
  • https://lajovisena.com/gallery/file/zopapinukamo.pdfIn PDF document text
  • http://nhactheducthammy.com/upload/files/gopetorageg.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/emb9lj8idch59s3et76ur788h6/95213315483.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/xawilegogi.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/2022445849.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5c1fbb9572---39813729140.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/479be061fb70b29dbbd497782dbd817e/munexukawiduj.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e2e891eb6---10147522398.pdfIn PDF document text
  • http://ed-web.cz/userfilesfile/bonexemuvolimibizuxodewoz.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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