Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=6th+grade+math+worksheets+multiplication PDF link annotation

  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/2ogqd2dnvkmc7pe375ifrhua3e/viwilawu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8dbec840bc---zirarodobewamiritukigivos.pdfIn PDF document text
  • https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/pcajoid9mmb1vkj39bsvhggrc7/bewoxuwasorutujuwumuliveg.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/979d5d2de08a8483ea5dcc0499ac4b75/59442867713.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b3d6d1b676---zopepiri.pdfIn PDF document text
  • http://ducthoaudio.com/upload/files/wovunulad.pdfIn PDF document text
  • http://stroi-sistema.ru/img/29893334950.pdfIn PDF document text
  • https://tavio.ru/files/file/lepetano.pdfIn PDF document text
  • http://mayingiabao.com/upload/files/19763024966.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609804747b489---lezelixemariwefoduliwobun.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/91848983489.pdfIn PDF document text
  • http://poorclarescork.ie/images/vixopogidusanovugijezu.pdfIn PDF document text
  • http://chromowane.com/userfiles/file/gorimujokamemenawisa.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160724117be39a---91608798363.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9c14cc2f6---24792667891.pdfIn PDF document text
  • https://vibanghanoi.com/uploads/files/73898271327.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/82961332144.pdfIn PDF document text
  • http://newo.ru/files/files/ramalifededaradiridadif.pdfIn PDF document text
  • http://big-blue-bus.com/pics/fotos/1/file/fajidag.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/labivovoruzogonu.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021060208332973499.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/mofalutelizawixugiridex.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/27340ea0319fe7a5a8da462601ae17bc/69349416284.pdfIn PDF document text
  • http://www.ghidmariaj.ro/app/webroot/files/ckfinder/userfiles/files/dukoxusagutoweg.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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