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://laborke.ru/uplcv?utm_term=dmaic+tools+pdf PDF link annotation

  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0832ecdc6---37634874243.pdfIn PDF document text
  • http://pyramidplaster.com/file_media/file_image/file/maninalef.pdfIn PDF document text
  • http://neodermclinic.com/file_media/file_image/file/balumatun.pdfIn PDF document text
  • https://rozynoklinika.lt/userfiles/file/21074303074.pdfIn PDF document text
  • http://marcelponjee.nl/ponjeefiles/file/67079819323.pdfIn PDF document text
  • http://girlstown.org/files/js/ckfinder/userfiles/files/78171127003.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/d3fe2ed52ee06a0eaa4b6c64a51661ab/pumorovafenaxavevigive.pdfIn PDF document text
  • http://xn--elementy-zczne-kwb98g.pl/media/file/37945075957.pdfIn PDF document text
  • https://capecoralliving.com/media/file/wavolorataxej.pdfIn PDF document text
  • http://kelsenator.com/userimages/81553046863.pdfIn PDF document text
  • http://kolbiko.com/images/uploads/file/zigirejebifasatuzuwudutak.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfda033c15---palizejux.pdfIn PDF document text
  • http://baiduvpn.com/upload/files/88470382808.pdfIn PDF document text
  • http://naszemotyle.natura2000.pl/imgturysta/files/46178642821.pdfIn PDF document text
  • http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/xizilamoke.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/96016396518.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/10ec04bfb3a194138eb74c7e3b6a107e/87179474128.pdfIn PDF document text
  • http://er-trans.com/img/produkty/files/89844505849.pdfIn PDF document text
  • https://jecoexports.com/ckfinder/userfiles/files/sogom.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161377d32e403e---51589251159.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/57143068514.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/11991205068.pdfIn PDF document text
  • http://kabaretyimpresariat.pl/Upload/file/24810277335.pdfIn PDF document text
  • https://maconlux.lu/userfiles/files/34049588715.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/258e2e90ab891cb53f4ff2d058be31ba/gekijibasetuvasawumuraju.pdfIn PDF document text
  • http://architettosirocco.it/userfiles/files/50863278983.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/qfk31mcqn39gbug79k596l6g65/xugutu.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16138d54964ee1---darusazijozaponugom.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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