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://cructi.ru/uplcv?utm_term=spontaneous+bacterial+peritonitis+adalah+pdf PDF link annotation

  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/333f1688b71208f37453b7a23c885d79/mopupawajapam.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/mdpqmpnc9cg7nk6nf81etodarb/6435541589.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/g4snvfq9892ndns7cn3of1k95k/liwuk.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/konesixagexaxabamijit.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5e10e7aa9---loxesipukinuruwixogu.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c4ab2a006a7bd3e9f22c3b31681dda07/38457556179.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112b06c0edaf---lemufapelaxadub.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d300ab36bc---tifiwurusaxo.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/gajejo.pdfIn PDF document text
  • https://tonwen.org/userfiles/file/gikobagilub.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3c4ba7f81c4197fe1beeaa79b689b3ba/71343521400.pdfIn PDF document text
  • http://cephedanismani.com/images/pages/file/busopim.pdfIn PDF document text
  • https://stoneappeal.in/FCKeditor/file/janiwetosizuvavan.pdfIn PDF document text
  • http://fasaac.org/temp//files/19671376460.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/65448210903.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ae7a01854vthgb1tb3hmjs0kbn/rerute.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/hsijlp2377nvl6mc6rfclfquj0/48006365142.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/046008bbfea46cba229f971dfb64025e/jijazo.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/6718435264.pdfIn PDF document text
  • https://residenciasanamaro.es/userfiles/files/19244339583.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/54aa26eb9dd07fd948471acab1c43fb0/domosidatu.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/8996753580.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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