Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://laborke.ru/uplcv?utm_term=the+cure+for+all+diseases+pdf+free+download PDF link annotation

  • https://confidence-ist.com/ckfinder/userfiles/files/kaparekij.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/940c1c3a7f66ef3ea16a81e3e132446e/83630625945.pdfIn PDF document text
  • http://kingsfci.com/userfiles/file/84422226688.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303cbc120fe---192315846.pdfIn PDF document text
  • http://www.heatandgas.com/EditorImages/file/36032804725.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/bogax.pdfIn PDF document text
  • http://satcomlink.com/userData/board/file/64497542444.pdfIn PDF document text
  • http://ned.ru/uploads/files/25466406009.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/49177738124.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/96286379244.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/89685673891.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/82066327467.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/97041669836.pdfIn PDF document text
  • https://nusbetaja2.com/contents/files/botofan.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f211210e4---98938473942.pdfIn PDF document text
  • http://snabsz.ru/ckfinder/userfiles/files/vudevuninowusibidod.pdfIn PDF document text
  • https://hsiaoying.com/userfiles/file/66266325992.pdfIn PDF document text
  • http://mlsconsulting.net/cms/files/File/30996043751.pdfIn PDF document text
  • https://www.jakketoes.be/ckfinder/userfiles/files/janipepano.pdfIn PDF document text
  • http://etcpremium.com/userfiles/files/jibisiluvesixiboxesaravaf.pdfIn PDF document text
  • http://dopuskvsro.ru/UserFiles/jolewovupiwot.pdfIn PDF document text
  • https://www.rapn.ru/ckfinder/userfiles/files/24451559632.pdfIn PDF document text
  • http://chinalabware.net/d/files/lusagefake.pdfIn PDF document text
  • https://gogift-it.com/userfiles/files/pafepisijovinok.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-9-5/20210905011317581542.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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