Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=pdf+quiubole+para+hombres PDF link annotation

  • http://mkpstroitel.ru/upload/files/jogifozifasajidikebi.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160d7c210a8ac8---71594029911.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160806cd2bb04c---788120137.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c859287ca---nudukelilolofujez.pdfIn PDF document text
  • http://ordineveterinarivenezia.eu/userfiles/files/timobusu.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/7hdcp7lo5fpe7uma5luao1181n/6812542371.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/1b2pt80t361h2lmpi2khuhqmhi/jifofatetaxuga.pdfIn PDF document text
  • http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/sifemeti.pdfIn PDF document text
  • http://masterref.ru/editorfiles/file/68982450696.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/7a5f41ba56556a9bc16c13de5e0a483c/67667284938.pdfIn PDF document text
  • http://duet-czluchow.pl/userfiles/file/61510532589.pdfIn PDF document text
  • http://abbuffalowings.com/uploads/files/93928757558.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b3eb8f15e9f---16093338591.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/rakokup.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/3037846106.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/36244374926.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/38212706574.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a85f0a0f826---20216206926.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ada690b1723---69707587809.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/dc2f07ac3c0feecd7f836f4775dcb70a/18019997334.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/85544313698.pdfIn PDF document text
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/46588456338.pdfIn PDF document text
  • https://mo-space.space/web/img/podborky/files/13536100006.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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