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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://postelezmasivu-brno.com/ckfinder/userfiles/files/77847125884.pdf In PDF document text

  • http://kaupa.cz/userfiles/file/18882293190.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135fd6bc5dc4---bufanebaxusolajomolu.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/34318741803.pdfIn PDF document text
  • http://szigmetal.hu/editor_up/pifirazi.pdfIn PDF document text
  • http://pokemom2.com/uploads/files/50903217296.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/35817143070.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/63365960132.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/42567458441.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/fekadigazaxowilitelova.pdfIn PDF document text
  • https://www.truck-transport.com/ckfinder/userfiles/files/16501611167.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/jalizitebenamupufixo.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/87291219448.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/29iffrnt5s7nut7rhp0obolir0/64469995159.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5337ed685---285633837.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/57016041259.pdfIn PDF document text
  • https://crcnueva.naturasoftware.com/uploads/images/files/62772602158.pdfIn PDF document text
  • http://www.medic-pneumolog.ro/fisiere/file/54785032440.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16132081358076---22539030478.pdfIn PDF document text
  • https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/morosadoligitor.pdfIn PDF document text
  • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/lajomuvosijig.pdfIn PDF document text
  • https://cafesca.org/ckfinder/userfiles/files/21837607462.pdfIn PDF document text
  • http://kpotplace.com/uploads/files/18214093122.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613664d18b8d8---51578105604.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+get+among+us+live+wallpaperPDF link annotation
  • 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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