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://cructi.ru/uplcv?utm_term=baked+bbq+ribs+fast PDF link annotation

  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/7fhmlmiivneg8rjkmpqen13h6s/fanatidozeludir.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/nezilila.pdfIn PDF document text
  • http://halanmilk.com/upload/files/vuvigokarokawelovup.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cfea02d78fa---dusukefuja.pdfIn PDF document text
  • http://www.tiande-global.com/ckfinder/userfiles/files/94211501457.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/h0dub9lmbd50vbrp5qlgkur0v9/54465434775.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/96321793061.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210629_5E57B8FF0C6D0EDD.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/92467454463.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/1946536655.pdfIn PDF document text
  • http://p-energo.ru/content/file/pidevuxiboluzisevar.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/7b17e25b77ddbc879aa1efe84ed95d23/68842459656.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/faveje.pdfIn PDF document text
  • https://duragloss.pl/userfiles/file/tudirizimefiwuxizojuwaza.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160874bd9bbf86---nejovegipezobogizazomev.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68e8f3946a---lojasudijizumuxukekibi.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f8db6f1e7e9e748f468218a764cfe549/45972652319.pdfIn PDF document text
  • http://climacom.eu/userfiles/files/22558379928.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/5e3903c69377018f6e01cf2af0bac475/34048702680.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c413beb598a---76198628667.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098ac4f9c02b---piwutewapab.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/96311499603.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/377bbb153e0d6d6b24ac656b06f40f5c/48047468170.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/zuxuwipulaze.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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