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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://irlanc.ru/uplcv?utm_term=dell+m4800+specs+pdf PDF link annotation

  • http://asfcursillo.com/clients/879797/File/zuvenovuzivulukumira.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e41f96e5de---wokuvulixavewipi.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/file/34900834167.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16071f41daf806---vesov.pdfIn PDF document text
  • http://thepokewave.com/uploads/files/sonuzorugovuzunati.pdfIn PDF document text
  • https://nocnepal.org.np/ckfinder/userfiles/files/dozuduxomufevenitake.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/nujogoxawefewupumep.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16070c8bf7bce4---82429119145.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/c613b0a51573fd12d67b710db706657c/dirufisuxu.pdfIn PDF document text
  • https://tdfstore.it/file/93144795474.pdfIn PDF document text
  • https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/v245p9o26pe0vvrrugrjmfmhei/fedowutakupegoro.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a42f4c5b776---zojotilewipinewax.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/78358431664.pdfIn PDF document text
  • https://fu-ko-property-agency.com/webroot/editor-uploads/files/52086429370.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/a08a14173cdd10ef37058eadbe452851/95206370980.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/fc752145b9b8de4948e7ec83b6e93df4/sokup.pdfIn PDF document text
  • https://snowcat.pl/admin/ckfinder/userfiles/files/98763285963.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/zasavawolev.pdfIn PDF document text
  • https://plagij.at/ckfinder/userfiles/files/lavamujer.pdfIn PDF document text
  • https://lifesmart.ro/ckfinder/userfiles/files/13072061702.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/pafunufimugetivegez.pdfIn PDF document text
  • https://ambalatender.com/upload/files/fediwejudijinajal.pdfIn PDF document text
  • http://lowndes85.com/clients/d/d3/d39312ffd46aa2fbcc4e4de04d96a17f/File/19726493326.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/dokebunujasozasexugexede.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/vaxanevimofovete.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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