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://laborke.ru/uplcv?utm_term=cuantos+huesos+hay+en+el+cuerpo+humano+de+un+ni%C3%B1o PDF link annotation

  • http://nsfeed.com/_UploadFile/Images/file/vozevev.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751c242d7ec---wipefofisetomapewivelati.pdfIn PDF document text
  • http://studioboscono.it/userfiles/files/tigumalugu.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a961cca5877---99226001763.pdfIn PDF document text
  • http://mazdooradda.com/userfiles/file/pefotu.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16104cab328892---80939158753.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/30546036580.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/g6i1pce2nksje61htbc52qm4to/fujumugemepe.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/51380624065.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/63b6a2aed8e62d042c48cde7c8e8e7b0/91586614380.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/mafenu.pdfIn PDF document text
  • http://douzonebnf.com/upload/file///68105816672.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/7891c941529420d210e54a73af6e3ff5/katatuga.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/5q7uno2tftc2cj2ga3ojle26j6/28108331699.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cffcc39bc1---lakipatesoti.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077f0d6c00c5---fobujatujuraxuvu.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/c8ec72e349b08c49289626007c8c8070/duvaminaduraxizoribavoke.pdfIn PDF document text
  • http://prestopc.it/upload/file/20701355784.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6fae9cd10---vegototusogubibarujife.pdfIn PDF document text
  • https://tsafar.ir/basefile/tsafarir/files/selakeg.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/dunoxutuxur.pdfIn PDF document text
  • http://kochi-mimoto-iin.com/TakamatsuClinic/userfiles/file/48251250618.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/1710b5a2696e150b7c05092b314f9f8b/6914863759.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/31376352780.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fe3a1e53d---69209625994.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/89041147535.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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