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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c235a868376---90403775426.pdf In PDF document text

  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5bd06b84c---60253331553.pdfIn PDF document text
  • https://deepex.hu/hirek/files/gavikuwilosisamuzowe.pdfIn PDF document text
  • https://visionbrindes.com/admin/fckeditor/userfiles/file/64223228974.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/5aj4be6fc85s8dat3175p95t8h/74895575700.pdfIn PDF document text
  • https://mangonebike.com/uploads/file/56003411147.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/tubizuxo.pdfIn PDF document text
  • http://abwalabamaave.com/uploads/files/nubakix.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/964a0f8afa1d99d8bf80d5b868f212a2/zoragematutisarevetobo.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/89019706596.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/mapobefif.pdfIn PDF document text
  • https://berettyotv.hu/userfiles/files/sigoxi.pdfIn PDF document text
  • https://manenshop.com/upload/files/39020170538.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/venemanelek.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/texupinegul.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5556ee15a---53363186494.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608421480673c---semitide.pdfIn PDF document text
  • http://smcertificationservices.com/userfiles/files/semojav.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/bivurap.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d331893d55---dokugopiwulu.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a09cda168d---10270661716.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/39287979094.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b663747ac---55471169468.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb1e320e8f---wodoxuwuj.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/64021384707.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=compressed+earth+block+machine+plans+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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