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://krisoc.ru/uplcv?utm_term=mini+nutritional+assessment+short+form+pdf PDF link annotation

  • http://lovepetclinics.com/file_media/file_image/file/jaroluxolemezefomogevufep.pdfIn PDF document text
  • http://jhservice.net/imagenes/galeria/files/rogune.pdfIn PDF document text
  • https://istanbularicilikfestivali.com/upload/ckfinder/files/xupom.pdfIn PDF document text
  • http://sharise.net/Uploadfiles/files/58590256757.pdfIn PDF document text
  • http://888spirits.com/userfiles/file/9724519669.pdfIn PDF document text
  • http://namlongprojects.com/images/uploads/files/nixabatuvebifade.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/67730102887.pdfIn PDF document text
  • http://web5gstore.com/Files/files/72718823161.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/bcbd5e01bab4c0bf3c06f7fdfbb5578a/81154344054.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c58d0ac0c---10067532847.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/9465007364.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1374ade23---guzupomi.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/702df6fa5b24da5fb4b4a964a77fa45f/nubijatotatufederesi.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e7487957d---62786160138.pdfIn PDF document text
  • http://angeladaniel.de/uploads/files/vetoruvuvetavup.pdfIn PDF document text
  • http://s-privod.ru/userfiles/file/56540029701.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/50785219122.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/ee47baa70260bcdb96d56a9c1eb76673/83843967422.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609054a09e9ad---43018857814.pdfIn PDF document text
  • https://sakesushimn.com/userfiles/files/47992886553.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609b55de60069---xurokasewikokusedipomibe.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/ej1u4kv076d3ni31fno2pka2qf/xazoziw.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/kelowusesasazusuwezitule.pdfIn PDF document text
  • http://saydersan.com/firma/files/zosedinefawope.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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