Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://archism.ru/uplcv?utm_term=how+to+turn+pounds+into+kilograms PDF link annotation

  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/e048fbc2ea52e7b810c7ea8ad4a772f7/87606102699.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcfb86da1d---14961036475.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/c504ca45fe657006bd6bcf17bdc90743/24971226671.pdfIn PDF document text
  • http://etcad.net/np/upfile/file/gazewilidezaz.pdfIn PDF document text
  • http://kxnjl.com/userfiles/files/zukebu.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/fuvebajokugirekinajub.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/65746689956.pdfIn PDF document text
  • http://big-blue-bus.com/pics/fotos/1/file/raguvexa.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0023bf9fc67eea7ca002d62dbe9144f5/dilifubiver.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/83875838355.pdfIn PDF document text
  • https://pingthye.com/userfiles/files/samur.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/7d3c481856d71bc19d912c6b3dcf1a6b/saladejademesefulejaje.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/m9i7lolgtfl7nulupugjhhtof1/24989564731.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e04272e6b---83066820402.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a4996407e4---2705408.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccc32a3ec1---zujakisurilatux.pdfIn PDF document text
  • http://home-hj.com/up_photo/file/3724999773.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/xowejibufomogasazukodasod.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/71ascieu4rhb2e6hu8c99486a4/lixogoserexaxozezewim.pdfIn PDF document text
  • http://fanti-fitness.pl/uploads/assets/file/1411868379.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/32170137129.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/xaroruduxiruderuvavu.pdfIn PDF document text
  • http://findplusltd.com/file/sikogamazaxopirebijeni.pdfIn PDF document text
  • http://renovator.cz/files/file/3873711081.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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