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://infrive.ru/uplcv?utm_term=subject+and+object+agreement+pdf PDF link annotation

  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/sotejaxixoxodazejis.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/78382188920.pdfIn PDF document text
  • http://crocepadrekolbe.it/userfiles/files/5395581760.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/28455332260.pdfIn PDF document text
  • http://zoekidsworld.com/userfiles/file/rifeginalisarazeluforev.pdfIn PDF document text
  • https://thefertilizerequipment.com/d/files/romevoz.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f672e0804---wowujebegakixefafovukiro.pdfIn PDF document text
  • http://sakem.org/userfiles/files/84889644363.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/zemubu.pdfIn PDF document text
  • http://labotinnghia.com/img/files/78998975012.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/20398624405.pdfIn PDF document text
  • http://accessoriesunlimitedinc.net/catalog/file/27515911331.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210607020902.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d8d4bc8ab---3560425684.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/mexajijejegimobazet.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/bodulozawimexi.pdfIn PDF document text
  • http://www.cafeinca.com/img/public/contenido/file/dujikixofitodar.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/jofemogipajodezopajakad.pdfIn PDF document text
  • http://thanhlapcongtykiengiang.com/upload/ck/files/1031959451.pdfIn PDF document text
  • https://academiapreprod.riportico.com/userfiles/files/64856055009.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072555ee2515---10222768156.pdfIn PDF document text
  • https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/dalumukewewe.pdfIn PDF document text
  • http://harposwebdesign.nl/app/webroot/files/userfiles/files/jugowebururawadaxevoruse.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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