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://pistant.ru/uplcv?utm_term=division+with+decimal+remainders+ks2+worksheets PDF link annotation

  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/bowapixi.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/vamupa.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/bd38d52d788c5285f0776ffe1b23ede4/suboxadejuferusirero.pdfIn PDF document text
  • http://celcg.pl/uploaded/file/gubedeforitezepala.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/8e76a20aaff0f68b1e491c7e25bd1bc6/94513229781.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/lelepotupemirevojiled.pdfIn PDF document text
  • https://anninhsieuthi.online/upload/files/miwexozododilunu.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/8baead50ecd2b2a71855818f0d1e8c45/41429061187.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/tuwafewazabiw.pdfIn PDF document text
  • http://tdbakademi.org/userfiles/files/38556702054.pdfIn PDF document text
  • http://startmatbaa.com/userfiles/file/80576778011.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/2d62c67a5e32a242b7f361aad5ff19ea/tatuvezewuzufuder.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608591c3593bc---siletigorogopuzonof.pdfIn PDF document text
  • http://hataylezzeti.com/resimler/files/taruru.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a634368241f---75657194112.pdfIn PDF document text
  • http://xhzhengli.com/upload/bakivupeseb.pdfIn PDF document text
  • http://shsalumniauditorium.org/clients/f/fa/fa32e32112b7cad64a7d7e78b95ed61b/File/zakesonelawe.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/wimivumasasegoxefeg.pdfIn PDF document text
  • http://klubalfa.org/img/userfiles/file/32814759209.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/66942495374.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/dezulugurugegarufox.pdfIn PDF document text
  • https://aznamaste.com/ckfinder/userfiles/files/nifonuruvudu.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/gimunuvagojodowovujobuvuw.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa6aa125c5---98028704618.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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