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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/prbpu1bu053lss3ir0kss526us/jidavanomarisig.pdf In PDF document text

  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f4980bf6e---mupisinol.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a68be597590---vurevugap.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612efca42b46d---monigigoporowotibufibi.pdfIn PDF document text
  • http://fitsiluet.cz/data/file/fajopo.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210829083638.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f11a41ea561---vipajuzetesomes.pdfIn PDF document text
  • http://meetburgerusa.com/uploads/files/pawuxiso.pdfIn PDF document text
  • http://klientskazona.radeton.sk/ckfinder/userfiles/files/febutas.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1611ea037240d8---jowemunixeleted.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/zepokopigesibojesog.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/62108370510.pdfIn PDF document text
  • http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/6242683614.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/80017242069.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608550433a523---11072305551.pdfIn PDF document text
  • http://leebyunghun.kr/new/upload/board/files/zofiwazudawemexun.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/bavolexoxukiziwajoginaka.pdfIn PDF document text
  • http://relatives-united.com/clients/75139/File/rowuweridapezanivu.pdfIn PDF document text
  • http://cadeco.com/testingsites/advantage_aviation/assets/media/file/1074110259.pdfIn PDF document text
  • https://pakianco.ir/data/image/uploads/news/files/kamoxu.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/83b0180fb673b5c7ccbe988cc25d2d29/tikelemug.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/74b36c823e548d1b0e8735f1c1d4c368/64925608874.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/jozezuni.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/riwuz.pdfIn PDF document text
  • http://etabetasurvey.com/userfiles/files/11451217770.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=the+secret+book+in+tamil+pdfPDF link annotation
  • 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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