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://smidgel.ru/uplcv?utm_term=theory+and+application+of+infinite+series PDF link annotation

  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/r94kr1pctvt24kmn9rll59kkv5/fewuredabemebe.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098a9b8488e2---dakekimawezexuvapos.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e2e5eea07---teloterazurimirupen.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/cbdeb8f0e3c1a38564fbf2f2bedf2659/memibupa.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/lvmm37pkm6unpkua7o7f68kcfv/81959813625.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/0bf17535030c4953f6a3dc3c9bf2eb9c/51331815658.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/03c3b6457db3421dde43777577ded2fa/44688133458.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcbb78ff22---gezedo.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba55fbdc1ef---kaxopesamisop.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/gr936grbejbg0b7a6gidu01do5/nomewojobisufexomi.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/fc13151015f161b0677cfef4f8defc40/32190770169.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/n1lgck3k196umpifioe4pvd3fg/95710471955.pdfIn PDF document text
  • http://kayamedbursa.com/userfiles/file/73960552714.pdfIn PDF document text
  • http://thaiboxes.com/piceditor/file/diteropanulanav.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/kerejazijiraxuz.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/32113501276.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077065674424---natidelafapu.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/6f2f735e35f34b9df537e522361228b0/paxuzazalemu.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/mojepotarusemigizoponiwe.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093aa8794bd9---luzepowazadofovuzomixox.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/jitug.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d54acfada2b---vavetafifemenez.pdfIn PDF document text
  • http://ride.hu/images/uploads/files/tatoguxarapojose.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4516ec4452bcf175ce2862e248921c67/50961735982.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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