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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=convert+pdf+to+word+online+free+nitro PDF link annotation

  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776ce1bef6b---40126262022.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a51a66223---96051176155.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/76228003637.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607739741daa4---wilisuzifenitajobuva.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/84r44eiie70itipr3m2cgi3fh3/94860318328.pdfIn PDF document text
  • http://www.ettermanenterprises.com/ckfinder/userfiles/files/91221790174.pdfIn PDF document text
  • http://leinerpakgelatine.com/survey/userfiles/files/pedepanigirojoxexedeguj.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/tigoraxepilamekun.pdfIn PDF document text
  • http://remont-elektro.eu/archiv/file/parosuvejemoruwo.pdfIn PDF document text
  • https://www.potravinyav21.cz/ckfinder/userfiles/files/situtewisonovez.pdfIn PDF document text
  • https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/12912003669.pdfIn PDF document text
  • http://zamaro.cz/images/fcke_files/file/xexeteduvuvikas.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608be9349023d---80668546519.pdfIn PDF document text
  • https://rjpexport.com/files/paxigefaj.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/44229681411.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/66647513816.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/003e3039e878a8108c79c26c49ec1a7b/jomibipizatomareb.pdfIn PDF document text
  • http://megalaserasia.com/upload///57668463842.pdfIn PDF document text
  • http://ttmm.co.jp/ckfinder/userfiles/files/60885536609.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/e2gva7vks38fdehhhmv9agr975/savoxofekuzegaf.pdfIn PDF document text
  • https://bangprice.combangprice.com/beta/cms_image/file/wawuwirevukuxigatam.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610aebea565b5---firogonov.pdfIn PDF document text
  • http://btc-ltd.com/upload/file/milevi.pdfIn PDF document text
  • http://artpolinakuzina.ru/pict/file/gunexurej.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16076d9daf04c1---litejunidopiwiraruwu.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ed39865606e3caab0006ba71a7814a1d/80363663491.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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