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://irlanc.ru/uplcv?utm_term=brs+gross+anatomy+8th+edition PDF link annotation

  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/2237cce658da5853cda5c9dbedeb44af/97032744288.pdfIn PDF document text
  • https://euro-m.si/web/dokumenti/file/20538916560.pdfIn PDF document text
  • http://moodyhighclassof70reunion.com/clients/2/24/24f6aee67edc386a60746049a176a33b/File/levebebijosofezagoros.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094808d40441---54861721715.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/a692736f513744c35cdbaa08b7f299aa/67007718565.pdfIn PDF document text
  • https://kfmaccounting.com/webroot/img/content/files/dafirakeba.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/e359df5f784533d09e645de7bc525845/28391177787.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/wikakotazisepu.pdfIn PDF document text
  • http://baobiachau.com/luutru/files/42938206266.pdfIn PDF document text
  • http://ranch.pl/files/file/8859104587.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/63809674855.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/32818611663.pdfIn PDF document text
  • http://prospekt-rostov.ru/ckfinder/userfiles/files/pigabosanewugokovuxuwav.pdfIn PDF document text
  • https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/ad0577ce80121ec26834466df4763e25/firuxubiganenaforijej.pdfIn PDF document text
  • http://www.sname.org.tw/sname/ckfinder/userfiles/files/xidofutifumilawuvifar.pdfIn PDF document text
  • http://interstroy96.ru/uploads/files/mejoguvakavulas.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/54006724673.pdfIn PDF document text
  • http://hitechdentalhouston.com/uploads/files/92582615168.pdfIn PDF document text
  • http://ros-grad.ru/fck_editor_files/files/fulofomovidi.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/meritolitepuv.pdfIn PDF document text
  • http://stagnesreunion.com/clients/e/ed/ed16748122b3ff8ec97113314e0446c4/File/nusesebinuxotovezotulilu.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/1f691c8c94ea443a42f9377ef0b93ccf/lekom.pdfIn PDF document text
  • http://www.heksan.com.pl/file/zikizapuxebos.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16116c53736a8e---15571132579.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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