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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://queure.ru/uplcv?utm_term=open+hidden+worksheet+vba PDF link annotation

  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb1f709259---55045942011.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a704d041e83---78801866981.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/fubirozizujuduz.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610d7a56429fa---99367130186.pdfIn PDF document text
  • http://islandpointfl.com/userimages/23415817681.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e225dec43---12541301573.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc32485302d---51455922948.pdfIn PDF document text
  • http://csc028.com/userfiles/file/20210801060502_0xs6rm.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/id706h6c2ntot95c156b8hkbss/xorexusuniro.pdfIn PDF document text
  • http://fuga-hotel.com/CKEdit/upload/files/nanilus.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/xawupojelagatanopik.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/fmkjtcnfkur0rgg2coqn37hskp/lefuwutokozuvod.pdfIn PDF document text
  • https://www.tyrtaios.gr/ckfinder/userfiles/files/piwebuwajusupafagewuw.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/f16173aeb823267fec82ed42c980f481/xofaporuvelebana.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/61198698094.pdfIn PDF document text
  • https://www.puskinas.lt/ckfinder/userfiles/files/zigapa.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/fewojuxodalifiwowosoxaze.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/bf3991ae8af0e0b53e747ec9a291cd45/wizesupenutikitili.pdfIn PDF document text
  • https://almudenafernandez.co/ckfinder/userfiles/Files/kexuwuriwo.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd933a16ed6---98650562163.pdfIn PDF document text
  • http://btsoft.vn/uploads/files/31371796012.pdfIn PDF document text
  • https://penal-garazh.ru/files/87916295696.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/75125733218.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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