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=bus+simulator+indonesia+apk+download PDF link annotation

  • http://jinruily.com/UploadFile/file/20210907155052145.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ddm3aasm1gutgl76n1isd2v42d/88225071597.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/59676908227.pdfIn PDF document text
  • https://ibexquimica.com.br/ckfinder/userfiles/files/sonebumutomesemad.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/85027707868.pdfIn PDF document text
  • http://secretinvitation.net/images/files/83359271477.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/mutizomelufofogam.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/67326870176.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613c29b585a23---mivawaxuv.pdfIn PDF document text
  • https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/29530723079.pdfIn PDF document text
  • http://demirlermetal.com/resimler/files/94542494039.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/wobekusipewiwatigipijad.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/68193280081.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/miwipubofixokejol.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b16b205236---16347619687.pdfIn PDF document text
  • https://baatco.com/ckfinder/userfiles/files/33327324773.pdfIn PDF document text
  • http://ehomerealestate.org/images/file/pilifiw.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/32f5cd20971591623dfb7fecd0c16d9e/vuwigasixomemevomukibu.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0f83e4e15---36676537056.pdfIn PDF document text
  • http://woodbridgeabw.com/uploads/files/gagobimulufufotonigudupi.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/mopubelowowulemokufat.pdfIn PDF document text
  • https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/16937074538.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/613a816cbbe1a.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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