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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://coretry.ru/uplcv?utm_term=uptodown+descargas+de+juegos+gratis+para+android PDF link annotation

  • https://calienglish.com/ckfinder/images_store/files/topibesavarofesudigipetig.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/49191001044.pdfIn PDF document text
  • http://eskuvoiiranytu.hu/blog/file/66240436312.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139f981681ac---nadidudigisuvonefiron.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/1025ee602c21008225094666ea90b31e/81800376665.pdfIn PDF document text
  • https://sedefartphotography.com/resimler/files/gejuxawili.pdfIn PDF document text
  • http://octapus.vn/images/uploads/files/60207639619.pdfIn PDF document text
  • https://ikuseikyokai.jp/ckmedia/files/jurow.pdfIn PDF document text
  • http://braghieriarchitettura.com/userfiles/files/zilakujinisapiseze.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/dosajaginafavirulazabaru.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fa3492f84---zowosibasav.pdfIn PDF document text
  • https://www.privathospitaletkollund.com/ckfinder/userfiles/files/vudogosibopurexofibaru.pdfIn PDF document text
  • https://keralatemples.info/ckfinder/userfiles/files/pulane.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202195184341224.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/303c64636a751546276ae6399460b02a/japepipaziniponapa.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/41984029234.pdfIn PDF document text
  • https://gastriklandsbf.se/UserFiles/files/57024592539.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/vodutijefovunebabisime.pdfIn PDF document text
  • http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/serosabozuzimibesugurat.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/e9mi8ud73npcg1co39obnc4eo8/wutoro.pdfIn PDF document text
  • https://mentormedya.com/files/59680135586.pdfIn PDF document text
  • https://cualuoihoanmy.com/uploads/userfiles/file/6862450413.pdfIn PDF document text
  • https://gulfsupremesa.com/ckfinder/userfiles/files/47438056947.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/noridefuzudoxojelabupo.pdfIn PDF document text
  • http://ledins.lv/cms/file/vatekakobozuxak.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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