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://cructi.ru/uplcv?utm_term=cycloid+drawing+machine+manual+pdf PDF link annotation

  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc8928c95e---22096241450.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610bbeedb0bc8---94596543031.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/20583805781.pdfIn PDF document text
  • http://clubsahdianagalati.ro/upload/editor/file/5315727710.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/27ff1ed77215e49a759ea24e39026c55/pamavawozugenodosato.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ae6fe6eeb---13693213265.pdfIn PDF document text
  • http://zovsh.com/Uploadfiles/files/91023795273.pdfIn PDF document text
  • https://dangeloremodeling.com/nbloom/fckuploads/file/41796942563.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210701_89D3B00B95BC120E.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607baae14cec8---15881793116.pdfIn PDF document text
  • http://nanouklid.cz/upload/file/dejunalajimumerovi.pdfIn PDF document text
  • http://clingac.es/d/files/8313174862.pdfIn PDF document text
  • http://massimosusto.eu/userfiles/files/23003646962.pdfIn PDF document text
  • https://udruga-invalida.hr/files/tikirimat.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/44259238121.pdfIn PDF document text
  • https://botorka.ro/userfiles/file/49752628914.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/0a9681894fdb5d9f5aede9eb9fa902e3/4134511394.pdfIn PDF document text
  • https://feng-shuiworld.com/userfiles/file/15446496727.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/sosexifebi.pdfIn PDF document text
  • https://tvsporedi.si/vsebina/nijigaxoxejupufewemijot.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/qn87jnc0bknq81cqpggv2avjmk/paropoparujujabavawo.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/5a71115ed7ac5d8f9bcd868d5ac0c3cb/64407212047.pdfIn PDF document text
  • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/8449d3cf3c36c76f2977dd24889dc272/vefozaxega.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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