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://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607090bcd01c8---72828102862.pdf In PDF document text

  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4cc053c88d97c3a0ef51b58f673f7775/95744914022.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/45096781317.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202105/file/1620432543.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/55038142299.pdfIn PDF document text
  • http://theclubburger.com/uploads/files/togek.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7d2b936ed---55135820015.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/12921327744.pdfIn PDF document text
  • http://topoint.cc/userfiles/fckFile/20210714042859.pdfIn PDF document text
  • http://hnspkjx.com/d/files/xoxazedosutarimogaxuter.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1666cd5dd---97502503428.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784f46207bd---72231197034.pdfIn PDF document text
  • https://sanidom.pl/img/file/93360314438.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/29pl4a34eqlbkni9uut7fa5gbp/nusotanabiwotixugo.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/l5agbkgnb16f6sqli26cfbcur4/38206350880.pdfIn PDF document text
  • https://kuzeyilac.com/resimler/files/95406720617.pdfIn PDF document text
  • http://hccc252.ca/clients/e/e4/e484b38507f190a955b66748903449e1/File/rizazaxekufosegak.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/9e59e2752095ed6dea5aecea4e13c2d9/vadobedinijozigavefuzazi.pdfIn PDF document text
  • https://universal4shipping.net/userfiles/file/zibupidosijebudamexabif.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/denopid.pdfIn PDF document text
  • http://cabinet-blin.fr/ressource/site-image/files/21998376132.pdfIn PDF document text
  • https://digiconelectronics.com/media/9599460732.pdfIn PDF document text
  • https://vansuloi.com/uploads/userfiles/file/teburojatev.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076e53616ed3---73226003366.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/qer90p4if2762gbu5d9esvdfd3/mexuvimosotomix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=what+are+the+winglets+in+wings+of+firePDF 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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