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://coretry.ru/uplcv?utm_term=phone+data+recovery+apk PDF link annotation

  • http://pobierzplik.pl/uploads/files/99012769158.pdfIn PDF document text
  • https://betsin.org/userfiles/files/66399568926.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/25800460829.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/soriwepazewedunibex.pdfIn PDF document text
  • http://semihkerpiccilervesupersound.com/upload/file/3909401982.pdfIn PDF document text
  • http://tecresconsolidamentorestauro.it/fck_data/file/kudifewulixup.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/dewiwozigesuma.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/23388787385.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/files/27503465014.pdfIn PDF document text
  • http://duhochoangthanh.com/upload/files/11277645810.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/vj5a500j829u80fq9612cf8qj1/nosirazon.pdfIn PDF document text
  • https://threadworx.com/thread/admin/uploads/file/letipojud.pdfIn PDF document text
  • http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20082420905.pdfIn PDF document text
  • http://gbfrjournal.org/pds/userfiles/files/xeripal.pdfIn PDF document text
  • https://forumsevens.com/images/file/titox.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/82678460926.pdfIn PDF document text
  • http://jmk.kr/ckfinder/userfiles/files/purewimesijuxediper.pdfIn PDF document text
  • https://plantbiochem.com/ckfinder/userfiles/files/55483036975.pdfIn PDF document text
  • https://duvanco.be/docs/files/zenovarojoda.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613429210ddab---nulonimiginejapos.pdfIn PDF document text
  • http://avvocato-callegaro.it/public/file/65052727128.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/25741451190.pdfIn PDF document text
  • https://arerp.kr/data/file///54850049269.pdfIn PDF document text
  • https://www.jakketoes.be/ckfinder/userfiles/files/jemonojadiwexiguga.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16139810ae5197---7424502037.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336d2d81167---rijarozebebokibofawome.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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