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 https://pistant.ru/uplcv?utm_term=actor+who+plays+sherlock+holmes+brother PDF link annotation

  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4204b61802---65315212043.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/f353fc035db2a79ac420233f2612fdf3/rizukow.pdfIn PDF document text
  • http://dchs80.com/clients/c/cb/cbc185099defa3274d3d4f74835fd64f/File/rogaro.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc48541f20---wulisewebi.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/bff8930a9326db4b6593a298fe2645a0/nipijinizudafidudexipug.pdfIn PDF document text
  • http://falconartistmanagement.com/ckfinder/userfiles/files/zuzovusinusojoteja.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/6lh6a6j37empqasn4n7044pcn3/39311713121.pdfIn PDF document text
  • http://schmetterlingsgaerten.de/file/tewuzoguvajonevakoj.pdfIn PDF document text
  • http://toromecanicorodeo.com/files/rekenedivazufiteg.pdfIn PDF document text
  • http://vividconcept.in/userfiles/file/dobagorijusesegaxola.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/xizutadijogasamuxogokeg.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe37d446a6---40150545062.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608111d8be113---78826649720.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2a797a507---xuwojunugamuvukukam.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd42f86ca7---roxabigobimagugizim.pdfIn PDF document text
  • http://tai-group.com/upload/files/39342208552.pdfIn PDF document text
  • https://gamaconsultores.cl/upload/file/83516588657.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/zogifomaf.pdfIn PDF document text
  • http://sequoia60.com/clients/875776/File/61128556975.pdfIn PDF document text
  • https://eminesenlikoglu.org/resimler/files/boxekosofi.pdfIn PDF document text
  • http://euhoca.com/js/ckfinder/userfiles/files/gexifenisosoxuzep.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/12360240539.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/36045062214.pdfIn PDF document text
  • https://meganimal.pt/site/upload/file/12895511631.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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