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://philabc.ru/uplcv?utm_term=best+open+source+operating+system PDF link annotation

  • https://galedo.cz/www/data/cms_files/files/23807688853.pdfIn PDF document text
  • https://securitydm.eu/slicice/file/54077561163.pdfIn PDF document text
  • https://istruttorecinofilo.it/userfiles/file/47261178772.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/67327385056.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161437ae79c43e---kuvurofobodibonur.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/06b51glquops0sn4pej191p946/bifelosobobu.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210903_36A6A5D2A1276852.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/49e1772492d3171fde71909367e82749/12715342962.pdfIn PDF document text
  • https://vwb.mrv-educationservices.com/content_file/files/nezow.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/41834144027.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/nitiwotula.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/93475959353.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/nunetu.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/161309db7ba645---53275452116.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/3961432568.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16140dcf6bddea---74888831054.pdfIn PDF document text
  • http://eraldocomo.it/userfiles/files/wowobenepanikixevim.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/efac7cb4ac26afa2102be1a8f4d3c2e1/83978349519.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/69796148179.pdfIn PDF document text
  • http://hhoasis.org/app/webroot/img/fck/file/14009614638.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/sifugovozibeliwibevavi.pdfIn PDF document text
  • http://findusafranchise.com/files/files/23141267441.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16132d236ad42a---26496366604.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/62218973598.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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