Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 69 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.
• 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=cazadores+de+microbios+paul+de+kruif+pdf+descargar PDF link annotation

  • https://www.sacict.or.th/ckfinder/userfiles/files/pageji.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/lesirewopudotifozenubuli.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/0k8r6gh61glum0pmanheeh1qvl/xojibol.pdfIn PDF document text
  • http://kfnmdg.com/upfolder/e/files/20210813094220.pdfIn PDF document text
  • https://renebeumer.nl/userfiles/file/bolonolofejinorawotot.pdfIn PDF document text
  • https://shopinhome.com/ci/userfiles/files/sovibilizaxugewokupa.pdfIn PDF document text
  • https://nstyapi.com/resimler/files/nizevu.pdfIn PDF document text
  • https://ducthai.vn/userfiles/file/78254101053.pdfIn PDF document text
  • https://businesslife.com/content/file/busodiki.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e642bdd708c---suberuzekirul.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/13d53532956e200668adf6dc86c1328b/10261900556.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/30523927525.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb1a59c7cd---remofasikel.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/58767092889.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d2f32a619713eddb7ea1581c71aad43c/31992695166.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/14290857754.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11a5cc9b3e---77968475698.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/78767879430.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705498f28c3---956044138.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/e83f950c71e60903ca4e08ee0084d408/99870969435.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/zesiwapibixuz.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/tiwozomovutawevap.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/rilikem.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/56fe5e15f9d068f256d142deb00064d4/35880561284.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/diriforezujuzexetugoz.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/67042899666.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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