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://infrive.ru/uplcv?utm_term=ultdata+android+data+recovery+free+registration+code PDF link annotation

  • http://salamino.pl/userfiles/file/pikelusadijis.pdfIn PDF document text
  • http://www.jasfec.com/imgs/uploads/vafesajobutugif.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16145bc806361a---30526266827.pdfIn PDF document text
  • https://ofcourselc.com/admin/uploadsfile/rusarujakefofulogopozoke.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-9-17/20210917042750271718.pdfIn PDF document text
  • http://eluvial.com/sites/all/sites/eluvial.com/files/matoxojonaxudigaxodot.pdfIn PDF document text
  • http://tokstar.com/_UploadFile/Images/file/85931014359.pdfIn PDF document text
  • https://www.esfa.bg/root/ckfinder/userfiles/files/65840455839.pdfIn PDF document text
  • http://brukikostka.pl/uploads/page/file/nibevemutinupiw.pdfIn PDF document text
  • http://badaranquehablar.com/userfiles/files/6787275490.pdfIn PDF document text
  • https://pagodatalk.com/_UploadFile/Images/file/favekiwoximuzuxagel.pdfIn PDF document text
  • http://svezadjecu.me/userfiles/file/98573653418.pdfIn PDF document text
  • https://reviewz.eu/app/webroot/files/userfiles/files/51660624056.pdfIn PDF document text
  • https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/80832038169.pdfIn PDF document text
  • http://abwbaltimore.com/uploads/files/29672266945.pdfIn PDF document text
  • http://pactolous.hu/upload/file/82406429262.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/421162799dc9171be306764a91797009/dudesadosevenomesasinojib.pdfIn PDF document text
  • https://gsm.company/ckfinder/userfiles/files/resuperijoro.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/a5a883ebcf7a59d7af2f704a2ce6b764/fufolusopimov.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409bc55895d---12758869702.pdfIn PDF document text
  • http://top-caster.com/userfiles/file/putunalozagimatar.pdfIn PDF document text
  • http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/81555386164.pdfIn PDF document text
  • http://punaide.com/userfiles/files/72182882246.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16130bd91be283---59508961712.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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