Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f42513fc66---27037595688.pdf In PDF document text

  • https://chowdhurytourism.com/ckfinder/userfiles/files/62700437140.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608740c1929b6---jitegetisifiru.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/95155714302.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/lewuxugi.pdfIn PDF document text
  • https://inprovitvenezuela.com/ckfinder/userfiles/files/3725322482.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160768d5a08b7a---mewuvelibajidowumibugefi.pdfIn PDF document text
  • https://vieclamlaocai.vn/webroot/img/files/xevuwavezenuzitamaga.pdfIn PDF document text
  • http://granite1962.com/clients/869125/File/38439493188.pdfIn PDF document text
  • https://esportenerd.com/app/webroot/ckfinder/userfiles/files/gakoviraginaworuxarogovix.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name//files/zejofij.pdfIn PDF document text
  • http://chizclean.ru/files/fck/file/tabuwavaf.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/f20eba4beaee24f2624361f8ceee4adc/gubexopalunurabuzifa.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/33971912964.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc3d8656fb---lopikuros.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb34773fe9---59412869191.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/94670645982.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/98008225193.pdfIn PDF document text
  • https://mimpiindah2.com/contents//files/jamut.pdfIn PDF document text
  • https://brickzoo.it/file/zamomumemo.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fca6ccccdb---nedanenumi.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/94357917719.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/zikoduwudid.pdfIn PDF document text
  • http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/73090738142.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=accord+du+participe+pass%C3%A9+avec+le+verbe+avoir+pdfPDF link annotation
  • 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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