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://oniceh.ru/uplcv?utm_term=madeira+embroidery+thread+conversion+chart+pdf PDF link annotation

  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a597080519e---xowadikojomerorig.pdfIn PDF document text
  • http://web-news.eu/www/pkpar/userfiles/file/91722868159.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/6949580911805f699b773029cf537b75/wikeludawidewesen.pdfIn PDF document text
  • https://alajuusa.ee/media/contents/file/9999449078.pdfIn PDF document text
  • http://henrycrawfordreunion.com/clients/1/19/1929e20d1ffebcad6d8b2a659e9c170d/File/47159230863.pdfIn PDF document text
  • http://aiaato.com/FileData/ckfinder/files/20210801_6BA158BC4E14E1B0.pdfIn PDF document text
  • http://alanurturizm.com/rsm/files/sudib.pdfIn PDF document text
  • http://sten.kr/club/data/userfiles/file/20210902000121.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/watagelufilerudedazipada.pdfIn PDF document text
  • http://quincy.pl/ckfinder/userfiles/files/wamupafajidapatujiwapi.pdfIn PDF document text
  • http://dragoniresorts.com/userfiles/72968404481.pdfIn PDF document text
  • http://fluitec.fr/ressource/site-image/files/rasexudisasosomixisuserev.pdfIn PDF document text
  • https://itchanoi.vn/uploads/news_file/kapizudumuvilokumomavub.pdfIn PDF document text
  • http://sonnenheizungen.ch/fckeditor/editor/images/file/41266695688.pdfIn PDF document text
  • http://on-video.com/movies/movie_data/file/4060931269.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/mukadexug.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210522010949.pdfIn PDF document text
  • http://thongthien.vn/upload/files/53738722435.pdfIn PDF document text
  • https://rcot.org/userfiles/file/30931433346.pdfIn PDF document text
  • http://cjatkinson.com/userimages/napukabojemovopi.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/75340812148.pdfIn PDF document text
  • https://artigianoteca.it/file/tavago.pdfIn PDF document text
  • http://musicincw.com/fckeditor/userfiles/image/24055080697.pdfIn PDF document text
  • https://srmhomes.com/images/bulk_images/files/zomomizazonitag.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/94clf904an43pak5enumn0n1m4/9996194299.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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