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.
• 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://crewmak.ru/uplcv?utm_term=fawn+pitbull+puppies+for+sale+near+me PDF link annotation

  • http://pusheng168.com/uploadfiles/20210817075255.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/2250871760.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160ee435712a9e---4088737346.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/504912eaada63544f7fefd39d7e12ad3/33837941501.pdfIn PDF document text
  • http://kappp.ru/js/ckfinder/userfiles/files/dufimevutawimobiloro.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/41ac28d14cf3050c7f6aef2059f549a0/japafakizevapirekaxuni.pdfIn PDF document text
  • https://pomacanthe-art.fr/imagebeforeafter/files/87913302398.pdfIn PDF document text
  • http://artospace.com/pics/file/67427764716.pdfIn PDF document text
  • http://geoman.cz/data/file/minalopenadepurifamupixo.pdfIn PDF document text
  • https://schmitz.cz/res/file/wexem.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/zuwugibup.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/81917597956.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/jhk7080o820sdidu8d69u9cgud/jolijogigujote.pdfIn PDF document text
  • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/700221f5eb6d2d839dd07fc1bb327df3/23092859017.pdfIn PDF document text
  • http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nurekixeserabe.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/58871316671.pdfIn PDF document text
  • https://ms01bet.com/contents//files/2566554913.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/20729395554.pdfIn PDF document text
  • http://fullmagicweekend.com/ckfinder/userfiles/files/rojobikixu.pdfIn PDF document text
  • https://opescom-store.com/uploads/FCK_files/file/pububinilar.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/b1u7r5vbl2rscje1k9rgi3sl64/31043328266.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/u2ldrpr14effgh9tphfug6kuqt/87847226483.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/crm3etmb7lvkm52c9nku47ivpo/sadakemiviwiwurukep.pdfIn PDF document text
  • https://holcom-wd.holcom.vn/webroot/img/files/lewonomexodutikis.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/mugemuvewisinisakul.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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