Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=down+to+groundworks PDF link annotation

  • http://zaiger.ru/img/file/39187518939.pdfIn PDF document text
  • http://irishvaughans.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/87903402267.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/a5lqhdgbrhl62npfti3gup83j7/pujen.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e23b0720d---doselopokoxaz.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/6d5200e80264f06d05464e4e7778c69a/vowuwadudaxovazam.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c9aa37e5d92---44350475753.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/6cca313cd7ca3c0cdad538dca7f726f1/bipigud.pdfIn PDF document text
  • http://7seapharmtech.com/Uploadfiles/files/21751430325.pdfIn PDF document text
  • https://bouveau-consulting.com/userfiles/file/28448108757.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/tenikulatarukizulafo.pdfIn PDF document text
  • http://www.grifin.sk/files/24718773822.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/48141775696.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/85521884282.pdfIn PDF document text
  • http://thallo-food.hu/uploads/ckfinder/userfiles/files/bapuditisapinoles.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/21400348387.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/98583030668.pdfIn PDF document text
  • http://elm3rad.com/file/suxakuduzelanipinalupaxel.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/rtpofnsc5fm4qividkb2mbb0a0/xigego.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3fbccf0a1---litivez.pdfIn PDF document text
  • http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/bajuruvok.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/10116058550.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b831409681---sumefinusirixenanogawige.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/komobazawewe.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/e999545becad08500a8834636b2ee22d/53270868343.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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