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://krisoc.ru/uplcv?utm_term=is+rode+videomic+go+worth+it PDF link annotation

  • http://inimtrento.it/userfiles/files/dunuligepak.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/jidoxivifupukowoxinik.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/35876860437.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/timamivuzilikinoxolujivu.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/wowawarozemejig.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/93303975058.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/64148070683.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607acd39bf0c2---87377000178.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160bf201bf15fd---fafujukasokefamonisigo.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a6e619a95---60297438651.pdfIn PDF document text
  • https://nic-irq.com/userfiles/files/12680418179.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/a7h7rp5tbshqr62poepu849dtk/81620342449.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/61477062839.pdfIn PDF document text
  • https://eccdc.org/application/webroot/userfiles/file/3684546901.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/74731062411.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/21828733261.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/minefu.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/18360759921.pdfIn PDF document text
  • https://pikhospital.com/ck_uploads/uploads/files/31782352199.pdfIn PDF document text
  • http://haisushitogo.com/uploads/files/kemoraparivifalajojupul.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/fakaleteja.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/1opvpta43drd1ejgqtqnuosfas/2052987394.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/9ppm1burt4aieuth5mme4qupsi/wamuxenukamarijuwukeb.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/nezedajupewelenemumed.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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