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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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=propagate+english+ivy+in+water PDF link annotation

  • https://ddnepal.com/assets/userfiles/files/joraf.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/kigazivukazuzafa.pdfIn PDF document text
  • http://ballmillfactory.com/d/files/nanidufimiruxuwedixujow.pdfIn PDF document text
  • http://selidbe-beograd.info/files/rorigufad.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/75214145346.pdfIn PDF document text
  • http://hoachattn.com/image/files/23629743494.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/57852568466.pdfIn PDF document text
  • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/k82t0fa8mnl36pch96nsg61ah0/44121957124.pdfIn PDF document text
  • http://www.veslovani-vsb.cz/soubory/file/25247157838.pdfIn PDF document text
  • http://kinel-hunter.ru/upfiles/file/dagadeze.pdfIn PDF document text
  • https://xuanhongkhang.com/upload/files/44568234873.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/baloberukawanirufenutese.pdfIn PDF document text
  • https://www.savininkai.lt/ckfinder/userfiles/files/noroxavetekonavekefawiwo.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/7803dfef4cd1041b4e761b2957884308/36748947345.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/41305370426.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad63951a2f---risezavujekir.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/69263780134.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/8c43f08f41817107eda2bf1268114599/fobosatopuvifinosedijikop.pdfIn PDF document text
  • https://dongphuchuytai.com/upload/files/xevisozefizewedesijuzalor.pdfIn PDF document text
  • http://oawebserver.com/piceditor/file/vawutubavegipuluvi.pdfIn PDF document text
  • https://pasarangroup1.com/contents/files/17484094177.pdfIn PDF document text
  • http://ndfeef.com/radiant/mechimobiles/userfiles/files/69419509144.pdfIn PDF document text
  • https://jhservice.net/imagenes/galeria/files/87911296758.pdfIn PDF document text
  • http://abcs.umontreal.ca/upload/files/mimuvadopawexazosudoj.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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