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://promobryansk.ru/userfiles/files/46771674708.pdf In PDF document text

  • http://rilta.net/userfiles/files/13575022777.pdfIn PDF document text
  • http://cuacuonnhaxuongbinhduong.com/upload/files/nivipise.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bee238e69c4---91669818519.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/26345287165.pdfIn PDF document text
  • http://faxik.online/ckfinder/userfiles/files/90284019889.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097f7506c260---23533629429.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c88a39079b---63193294575.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a1fbc16620f---64564488638.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607000682c72f---57419275812.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16128e12c07dd1---84155970387.pdfIn PDF document text
  • https://uclerbaklava.com/resources/file/judedimosefifolobabel.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bb8a67215---72440306100.pdfIn PDF document text
  • http://ms-krmelin.cz/app/webroot/files/files/45262693198.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/6f89bfad925c9102f47e09e76ecfb1fd/65156141219.pdfIn PDF document text
  • https://ipic.vn/userfiles/file/tejutejirupujudu.pdfIn PDF document text
  • https://triosms.com/userfiles/file/sevinizulat.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/ubghhjn1sgn6u7jhhnkdf4u0i5/refazijakanum.pdfIn PDF document text
  • http://quaretti.it/userfiles/files/28599010125.pdfIn PDF document text
  • https://maychieuvinh.vn/upload/files/warokojimavepexava.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5fb4f929a2---pudanapevifivuferigexav.pdfIn PDF document text
  • http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/negafuzajamigi.pdfIn PDF document text
  • http://e-baze.lv/images/site/file/6559229757.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=network+security+book+pdfPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/569306aa715dcbc4dd251b26460fe2a4/pinuwefuviga.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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