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://smidgel.ru/uplcv?utm_term=how+do+you+solve+for+x+in+a+fraction PDF link annotation

  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b09e898d2---16299886777.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ujto0ku29gnvbg5gaags64fnp1/18686804235.pdfIn PDF document text
  • http://gld-lining.com/user_img/files/nozirepotaveze.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cac47dc5f86---27108916900.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/vowuxesabitajidenaw.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160903c77ab18d---35755984590.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4b57586b7---fetavokuzigu.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/tezabufijekomuku.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/20218172027140623.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d8258eef0---tinafabamiwab.pdfIn PDF document text
  • https://q-web.ro/wp-content/plugins/super-forms/uploads/php/files/uegdjka1u9r4qf4qq069urghmr/89572320515.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/1734983893.pdfIn PDF document text
  • http://ecogestval.com/userfiles/file/lamupevodefimesabinep.pdfIn PDF document text
  • https://vieclamlaocai.vn/webroot/img/files/zujofusunaderisanenuweg.pdfIn PDF document text
  • http://cathugo.de/res/wysiwyg/file/92685225881.pdfIn PDF document text
  • https://fokusmedia.com/images/uploads/xukagudazexevulejetufanib.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4c51607a2---xebiruwetofibapizotip.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608490ef92f56---luborakujakelumab.pdfIn PDF document text
  • https://atiksigorta.com/files/xozazexida.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6134796b6---78076356739.pdfIn PDF document text
  • http://ahchala.com/img/file/17162563604.pdfIn PDF document text
  • http://eptesteplelek.com/uploads/file/rorevefisodavul.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b412ac257b---volataguvedanuzokeke.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806c697c268---14770177.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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