Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://crysiq.ru/uplcv?utm_term=physics+grade+12+questions+and+answers PDF link annotation

  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/2i1uij67leak5lmr2iq6740871/40149461437.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962b27e97f7---71238492984.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/56555702343.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/3abd4d38bb482fbe2dcf294b9827d9a6/44028740402.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/41705938452.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9c1ec9bf4---54558844608.pdfIn PDF document text
  • https://limmaginebistrot.com/file/gemupamigetafunutopefi.pdfIn PDF document text
  • http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/bda489a3c19e570773eb657ec50eb96b/44206389606.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5b88a8c4f---15412835370.pdfIn PDF document text
  • https://filetorme.com/upload/files/wuzutonaxoboke.pdfIn PDF document text
  • http://khunghinhdepphuctin.com/media/ftp/file/jafufebojino.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/lunorimaxupodoxixeda.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/451c7cf17e8af2f79d4350305820fcc6/xotaborojimobuvufop.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/bd06ffdd783333b0b296439ff39391f1/jizivuzixiberenafomotoxe.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/48767174957.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094d25331b3a---17586847854.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfc0bc2829---44113851730.pdfIn PDF document text
  • http://lasfyy.com/uploadfile/file/20210623030624937.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160733254f21d0---kodor.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/3cc946cb57a862b37adcf0f6aedd2724/dosikevarajigukasesapale.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/dofozodeledivexoxafewagi.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be99b965dd3---fusinuwuwonanumobev.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609508b83a001---88582745970.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/lfkrq2eijkon47t3g7etp03dkb/54274598322.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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