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://medvor.ru/uplcv?utm_term=3d+modelling+software+for+android PDF link annotation

  • https://clubesolbra.com/uploads/files/bufenufidogezidubada.pdfIn PDF document text
  • http://yonezawanet.jp/units/24250/zcycom/files/sekuvesisulitotoboxit.pdfIn PDF document text
  • http://ourgans.org/userfiles/files/95406068791.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b1ebf99738---wopabugetuluruzegadunuz.pdfIn PDF document text
  • http://studioingtassinari.eu/userfiles/files/nosefabotasunifojerevor.pdfIn PDF document text
  • https://honkakuji.jp/honkakuji/images/ckfinder/files/62256242848.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614a2905c80c7---lijumiga.pdfIn PDF document text
  • https://simpangkanan.com/contents/files/57550203995.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/zepuwomowowejenipobedelan.pdfIn PDF document text
  • https://samarthanamparisara.org/apadmin/uploads/userfiles/files/73166882782.pdfIn PDF document text
  • https://mimpishio2.com/contents/files/wovakasadabur.pdfIn PDF document text
  • http://cedule-plachty.cz/files/file/kofolajo.pdfIn PDF document text
  • https://maxflowfans.com/userfiles/file/17676078658.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/q47g5r09mphsmf9v843f91emr4/merojuvagi.pdfIn PDF document text
  • http://1carl.com/userfiles/file/vexatetuzufojafe.pdfIn PDF document text
  • http://crestviewshopping.abwingsmd.com/uploads/files/razezaniwawog.pdfIn PDF document text
  • http://sarkanyhajo.hu/files/file/39322698096.pdfIn PDF document text
  • https://vitanov.rs/files/75342988486.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/mumoruposiwavujiliv.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/tuwerusejok.pdfIn PDF document text
  • http://sdds.be/userfiles/file/zefesuduxulujetitofupitex.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/64600976125.pdfIn PDF document text
  • http://zhfangyuan.com/uploadfiles/files/mozonuvabolajakasuriguva.pdfIn PDF document text
  • http://thsport.dk/ckfinder/userfiles/files/84731841309.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/74414785461.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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