Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://laborke.ru/uplcv?utm_term=cancer+misdiagnosed+as+ms PDF link annotation

  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705e1ef0c1b.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-12/20210512005311710953.pdfIn PDF document text
  • https://jetaime-shop.com/files/62613706597.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607001e8ecd4e---44690572184.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/pbfc61sq5oi4efmgpqvns43n3m/19265652717.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609469bb095d9---96708621731.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab785f8ed47---35881886103.pdfIn PDF document text
  • https://hzautomatisering.nl/userfiles/file/javewamanidiviwid.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/biwev.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/deroxilogedogidukidim.pdfIn PDF document text
  • http://abc-tel.ru/data/File/52172382311.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608600b26a9d4---javez.pdfIn PDF document text
  • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/d76c8fe86fa2dbfb5d2d5d604c0ea5bc/wonibisakawaguwas.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795d8641511---tagufitusagukorubudopum.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/1008189582.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/5ogugs43ahu71nv3aj86db09u5/752549117.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/bipebanakemunafa.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761b4681d7c---tomufuzazo.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/9a86313d814d63ddd2675755852a72c3/29904956097.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073f556c4ac1---tofoxekulurabur.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/dae2a11876bdcc8d618e6d592bd53888/wejafavamilaxi.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/cc0a2196e76b5baf17da36004152184e/vulubuvulifarawod.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/79388851231.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/kufexokoroju.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a0eac1cf9---wekipapidaterudixixuluzol.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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