Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://queure.ru/uplcv?utm_term=resident+evil+3+online+co+op PDF link annotation

  • https://siriusdynamics.com/assets/uploads/files/sesajozes.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410e98e0745---dubuwe.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133376bda6dd---jojexexajexagupazijabe.pdfIn PDF document text
  • http://sumbulefendiegitimvakfi.com/resimler/files/77342794036.pdfIn PDF document text
  • http://b40555.handyfriendship.com/upload/files/89120684286.pdfIn PDF document text
  • https://legend-chang.com/UserFiles/files/38626344139.pdfIn PDF document text
  • https://shevtsov-art.com/uploads/files/19984874448.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3b4c7aeb0---53973735141.pdfIn PDF document text
  • https://giritrademark.com/content_files/files/41659334090.pdfIn PDF document text
  • https://alident.centralcms.cloud/galeria/files/zelajetajexojad.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/65516504359.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/jien9ra5stdp4uhkkigrdlvnau/porazamusizajetow.pdfIn PDF document text
  • https://btsis.com/upload/ckfinder/files/14282219400.pdfIn PDF document text
  • https://ysh.my/userfiles/file/niwitafu.pdfIn PDF document text
  • http://wjcopy.com/upload/files/91390387114.pdfIn PDF document text
  • http://dlastudenta.org/Upload/file/pavipelepetizonolupulax.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151a10f92108---wepibow.pdfIn PDF document text
  • https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/62952852001.pdfIn PDF document text
  • http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/zobuw.pdfIn PDF document text
  • https://kuni.ro/app/webroot/files/userfiles/files/rodizunuvukukesamubowubok.pdfIn PDF document text
  • http://boletos.luzservicos.com/ckfinder/userfiles/files/sejigejokozifewena.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/96611534624.pdfIn PDF document text
  • http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/xutafedazoxi.pdfIn PDF document text
  • http://sadiqandsons.com/userfiles/files/mopagodidobaleguxav.pdfIn PDF document text
  • http://alwaysshine.com/fileimage/file/kowaguvilopaluvorozepujas.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130a8e9cab3b---zaxurejowesizafupixu.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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