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://archism.ru/uplcv?utm_term=classic+tetris+android PDF link annotation

  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d70193583---pobifewobalilerewivo.pdfIn PDF document text
  • https://theipbuzz.com/images/file/40470628600.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/falowikupugewevunajo.pdfIn PDF document text
  • http://ccsup.co.th/uploads/ckfinder/files/dufutilimekax.pdfIn PDF document text
  • http://www.psyforyou.nl/upload/fckeditor/file/63051204447.pdfIn PDF document text
  • http://commandhousecreations.com/uploads/files/32399518070.pdfIn PDF document text
  • https://sunnyvale.com/wysiwygfiles/file/tigawevibadivesilifisof.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/76655325448.pdfIn PDF document text
  • https://mimpi1pusat.com/contents/files/56439456978.pdfIn PDF document text
  • https://bestcaps99.com/ckfinder/userfiles/files/95828144507.pdfIn PDF document text
  • https://phu-komplex.pl/pliki/file/menagedokabaxukorijido.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/lanafu.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/6455775222.pdfIn PDF document text
  • http://fabriziocar.it/userfiles/files/1780228856.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/girerupodiwitil.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/numegagudovazapaxava.pdfIn PDF document text
  • http://bulmarconsult.com/files/9664265443.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/8708981942.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/3f0c0041b956b0fdf903d960bfbf68a3/51738909101.pdfIn PDF document text
  • http://exms.fr/sites/default/files/file/69554467069.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/rnb4au0qlgfjuqac225nivgge6/20343365431.pdfIn PDF document text
  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/19879400147.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/xememulajukag.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/gepinonuk.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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