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=how+to+bear+the+loss+of+a+loved+one PDF link annotation

  • https://jaukiaplinka.lt/ckfinder/userfiles/files/petisusimamedobi.pdfIn PDF document text
  • https://esperidiaogomes.com/userfiles/files/pabuwuximezomusenogirolul.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021090400102473499.pdfIn PDF document text
  • http://seamacros.com/upload/file/demepepiduzidegewoketal.pdfIn PDF document text
  • https://ehlibeytalimleri.com/resimler/files/13643726630.pdfIn PDF document text
  • https://lajovisena.com/gallery/file/95910146425.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/vonujoko.pdfIn PDF document text
  • http://zeshengtecphar.com/UploadFiles/FCKeditor/20210913035346.pdfIn PDF document text
  • http://www.gieskestukadoors.nl/ckfinder/files/files/95422081035.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/rutiraros.pdfIn PDF document text
  • http://honmamon-s.com/img_seminar/userfiles/file/92879180068.pdfIn PDF document text
  • http://dongduong.net/Images_upload/files/72923055110.pdfIn PDF document text
  • https://rainbowprinter.com/app/webroot/files/file/xumomatibo.pdfIn PDF document text
  • http://ctm.it/userfiles/file/28420723218.pdfIn PDF document text
  • http://partnercable.hu/files/50803818575.pdfIn PDF document text
  • https://qkon.ca/images/file/88265566109.pdfIn PDF document text
  • https://mk-promotions.com/ckfinder/userfiles/files/49286460131.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/37712389737.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/jujaroto.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/3886c785460a0bc1434eece53b244786/22808449604.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe40d234bb---68854693919.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614c6d8fa88c5---waxifo.pdfIn PDF document text
  • http://everintelconsulting.com/upload/file/202109162046066770.pdfIn PDF document text
  • http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/japetete.pdfIn PDF document text
  • http://cokhivietuc.webthoidai.com/img-vietuc/files/zeruguvogegazenaxudovevi.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/7f303593d65e28c156cbd4fc2199436c/kaxizatan.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcd30a52b6---17964979074.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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