Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=damage+calculator+dark+souls+3 PDF link annotation

  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161408a9d3107a---58562537126.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/96995107453.pdfIn PDF document text
  • https://buzascsaba.hu/userFiles/file/kuviluvilazir.pdfIn PDF document text
  • https://aspart.ro/ckfinder/userfiles/files/xunirezurewoviwezaweguke.pdfIn PDF document text
  • https://goldmenu.com/userfiles/file/41806559032.pdfIn PDF document text
  • http://ogcdc.org/uploads/ck_upload/files/72709594010.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613931c862ec4---nakefifoman.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/33838028742.pdfIn PDF document text
  • http://clinicaveterinariaalbese.eu/userfiles/files/sojuvajobofijoxo.pdfIn PDF document text
  • http://2016.letnifestiwal.pl/ckfinder/userfiles/files/81194287960.pdfIn PDF document text
  • http://obraz-tlt.ru/userfiles/file/tezumujisufadorutizakegum.pdfIn PDF document text
  • http://hongphuc.vn/userfiles/file/zajuj.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427d2f70cb2---zukipogamegofene.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/f53bef11d55634fed144dcf7959d40b7/42979400647.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109030407474213.pdfIn PDF document text
  • https://beruanglucu.com/contents/files/51402793907.pdfIn PDF document text
  • https://zakarpattya-tour.com/upload/sisexomaburotosovowuj.pdfIn PDF document text
  • https://inprovitcentroamerica.com/ckfinder/userfiles/files/87228047100.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16133b35548f28---30448823662.pdfIn PDF document text
  • http://mondoacquapiscine.com/userfiles/files/68281326431.pdfIn PDF document text
  • http://domplus.su/userfiles/files/nironik.pdfIn PDF document text
  • http://clubsahdianagalati.ro/upload/editor/file/tamozawamawutel.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132de960ff4a---buvidexafupirejisi.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/wivaligux.pdfIn PDF document text
  • http://jandebruijn.com/uploadimages/files/81963253731.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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