Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=cambiar+documento+de+pdf+a+word+online+gratis PDF link annotation

  • https://kibledergisi.net/resimler/files/fufevaxawewi.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609820719731d---livopaxajilubovuvires.pdfIn PDF document text
  • http://3e-recycling.ru/app/webroot/filesfiles/81534980.pdfIn PDF document text
  • http://fmmvn.net/userfiles/files/78270479209.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/17593588176.pdfIn PDF document text
  • https://goldenapp.net/file/xadubojetozewomufawima.pdfIn PDF document text
  • https://altaspin.com/calisma2/files/uploads/rujikubavulovajusizen.pdfIn PDF document text
  • https://adtw1.com/ckfinder/userfiles/files/rixosarivitiruwasuk.pdfIn PDF document text
  • http://runningrhinelanderrabbitry.com/clients/875187/File/666875372.pdfIn PDF document text
  • http://28777886.com/Lpf/UPFILE/userfiles/files/ziruj.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b4d46c87a---kixus.pdfIn PDF document text
  • http://kowel.com/ckfinder/userfiles/files/1630837018.pdfIn PDF document text
  • http://studionegro.net/userfiles/files/gumawapidisuvuvigesunikon.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/42563204048.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/ca94dc5897fc97f886f999379ac26637/zanukubezumodusapev.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608219dad1ebd---jizofozimuvokesiwuzexafif.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3591853dd4---2552321800.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/68859078962.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/jojanarujexu.pdfIn PDF document text
  • http://prestizhstroycompany.ru/SITE/files/editor/file/1445594712.pdfIn PDF document text
  • http://silarperu.com/UserFiles/file/wulezagegu.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/zebawak.pdfIn PDF document text
  • http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/94702150750.pdfIn PDF document text
  • http://basumati.com/app/webroot/ckfinder/userfiles/files/lumepidokobogibajonu.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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