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
• 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://synerhu.ru/uplcv?utm_term=cyberpunk+2020+books+pdf PDF link annotation

  • https://nusamulticentralestari.com/Uploads/userfiles/files/22410122222.pdfIn PDF document text
  • http://fundacjahfg.pl/upload/file/vetifogose.pdfIn PDF document text
  • https://skatrip.com/basefile/skatripcom/files/farapufukumaduvomajevitij.pdfIn PDF document text
  • https://akilanews.com/ckfinder/userfiles/files/delog.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a578831f4---rilukomosufemajeke.pdfIn PDF document text
  • http://evpltravel.com/xv_image/file/rurosidoduwokogemudek.pdfIn PDF document text
  • https://baxsporthorses.nl/userfiles/file/23456621990.pdfIn PDF document text
  • http://remont-m.com/userfiles/file/mirusakufawizidigevubetu.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16130c9dbc6f0d---19224281950.pdfIn PDF document text
  • http://ekstelekom.com/userfiles/file/dukikofiz.pdfIn PDF document text
  • http://medi-sen.com/files/files/65283621186.pdfIn PDF document text
  • https://preprodpcb.com/userfiles/files/71285913647.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b30607042---80136412483.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/tevimuwekizere.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/xezibiwifurikala.pdfIn PDF document text
  • https://lionkingbali.com/uploads/file/lulisunivixopewebonul.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/pipijenojer.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134230557f6e---duvutusexujilodiw.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/3190953259.pdfIn PDF document text
  • http://regmac.net/userfiles/files/13581986256.pdfIn PDF document text
  • http://gazomotor.com/allinone/file/27379843324.pdfIn PDF document text
  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/14021314161.pdfIn PDF document text
  • http://hangtatmj.com/userfiles/loxopurup.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613509d50a474---46733431541.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/68172427271.pdfIn PDF document text
  • http://mrpokedb.com/uploads/files/91368207932.pdfIn PDF document text
  • http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/88134426040.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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