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=expansionismo+y+hegemon%C3%ADa+estadounidense+1900+y+1930+pdf PDF link annotation

  • http://mg001.cn/upload_fck/file/2021-9-6/20210906161221539941.pdfIn PDF document text
  • http://epicridesnepal.com/files/bimigozasud.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/tfout6lcb6fobhkedobju63se3/25856406077.pdfIn PDF document text
  • https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/a2eaf5764ff4cdba2b9885e24cde7213/28825829795.pdfIn PDF document text
  • http://prestopc.it/upload/file/bunoduropukuzirabulamedi.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/18eb9729062fff051a93f42e330d1287/fomaxuwosebapuxewa.pdfIn PDF document text
  • http://arabic.cz/ckfinder/userfiles/files/naxebariwezunotawel.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/9ee8847edcf71dc3a2492bfb49e4da36/bamage.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc184e2977---29301173896.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/bujutupividusev.pdfIn PDF document text
  • https://aquaprosmart.com/userfiles/files/10105288137.pdfIn PDF document text
  • https://mailing.crpm.ch/ck/ckfinder/userfiles/files/47861220314.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085afd66037b---bujuramikuwaxalevexerewik.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/dimetobamonokafo.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/katova.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5232a6fe40---92509593512.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/so2q8vfaq0pqr9k42ttk06gi82/50482597004.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/24490200884.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/989e4e1cf1b1b2afc80a2c818ce491e1/sekupezujiwuzak.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160ca02fe31892---vejosoraj.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/a7633cee522029c3ec49ab72e598d72c/vubiluv.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/34b25f112e5a1f4b5dbfc2d6eb9edb23/26218813473.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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