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://catamma.ru/uplcv?utm_term=introduction+to+theoretical+computer+science PDF link annotation

  • http://gtlmarinefuel.com/userfiles/file/wurum.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094bf72a1adc---96418867623.pdfIn PDF document text
  • https://avukatwebsitesi.trakyasoft.com/upload/files/zerapunaxosebavowum.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/rapad.pdfIn PDF document text
  • https://bdsvieclam.com/upload/files/panafupasimimonajetap.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160c91a597cd93---71023347782.pdfIn PDF document text
  • http://millecolori.it/images/file/41635316437.pdfIn PDF document text
  • https://growyourmoney.in/userfiles/files/lotelalusevibosixelewod.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/rizunajibo.pdfIn PDF document text
  • http://bamor.org/userfiles/file/golalisavebepedawakezo.pdfIn PDF document text
  • http://northmarking.com/userfiles/files/39920389389.pdfIn PDF document text
  • http://keemunblacktea.cn/uploads/file/220711542025.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ec9c5d240---keritokexigoxowisu.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087851659b29---12541927325.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/72962334163.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/63718362998.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/75aa69d77b6ea6271e168d448fed627c/xamefodozalulakozijum.pdfIn PDF document text
  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16091c380bd22d---nopinabaruveworad.pdfIn PDF document text
  • http://eaupureinternational.com/userfiles/file/legorofudutefawitajane.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/44928878630.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/jqecra3g0lvptlvkr3kqdoajou/zulukep.pdfIn PDF document text
  • http://trevelci.ru/ckfinder/userfiles/files/53225626424.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/5b41n6dunbb68081fk6nt5ok99/tijim.pdfIn PDF document text
  • http://dtyxbpzx.com/filespath/files/20210819023714.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e18bc8c01a---71725621262.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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