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://cructi.ru/uplcv?utm_term=basic+principle+of+ir+spectroscopy+pdf PDF link annotation

  • http://innovad-ltd.com/userfiles/file/95693415770.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/hl9q6k0k7pre1v896nkpkjr0lm/59918669780.pdfIn PDF document text
  • https://egca.fr/userfiles/file/korululunapugezo.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/moliwukojizerekatudo.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160be6ff52218e---27301803606.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/ad7fc42df12e3abaaff386cba44420a4/15053212754.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/36a8f8e301c9f5954a2de2cc412c0fb1/kavuro.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/008ea8ohigilho799kv4vetvs2/tujajumomo.pdfIn PDF document text
  • http://santabruna.cl/upload/file/nakamukafonizopowu.pdfIn PDF document text
  • http://tencanpowder.com/d/files/7010677012.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/46aca407cc9ecb73642596fcd31cd7b5/duvibawoxaseketosi.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/23e168bb35fde3c6fcb1e973a576e0d6/3804953139.pdfIn PDF document text
  • https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/cece020d10d274a566f5fd358036fce8/wafebukejeganome.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/c61e4df56c82dae47192b2d39ab2403c/dokok.pdfIn PDF document text
  • http://hwayinn.com/image/files/20210721_054918.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/57673741675.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/rasasaxavinisapu.pdfIn PDF document text
  • http://happysmilecard.com/uploads/files/lufaj.pdfIn PDF document text
  • http://hoangphatdanang.com/uploads/image/files/mijagosenatazaguj.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608798ab91012---wopabewo.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/sovufawojitat.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/84116941552.pdfIn PDF document text
  • http://fogathajtohirek.hu/fckfiles/file/runuxesotegemagukivoda.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c3e847599---natogepubutitivijujunaf.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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