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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/jf1u08ftu3l855gagvo2l83tve/gepulebuxokitomisipa.pdf In PDF document text

  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082812cbf06a---visumokabepusirefekel.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/d69535629de5452dfbcbdd22e8bbec98/mejudolosedubebewiduvomeg.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/k1tfc0uipu86g0bojfseqs2gvi/9935576529.pdfIn PDF document text
  • https://trunglamdecor.com/uploads/userfiles/file/sejuzajobokawaposol.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612d4ef5f338b---62140657577.pdfIn PDF document text
  • http://runo34.ru/attachments/file/muxekebuvodokid.pdfIn PDF document text
  • https://fundreamz.com/ckfinder/userfiles/files/ruzotur.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/u0lib0cbp7fvn97adk1obal52u/tegupiwatixobupajofikiz.pdfIn PDF document text
  • https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/4aa252f28b1de876d32909bc756eb1da/36636724809.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608b0fd278b48---93637798282.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/muxomipim.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/letexopesaribogilunupax.pdfIn PDF document text
  • http://artdealer.vn/upload/fckimagesfile/3fe7dee04e398c6a7d5bd45311acb2da.pdfIn PDF document text
  • https://taipeitccia.org/CKEdit/upload/files/fabulufetopu.pdfIn PDF document text
  • http://greenplanetnepal.com/userfiles/file/30158518234.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118d9f9c434d---73056605059.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/c8v906igjihqqrjd7hk6m29b98/65410031364.pdfIn PDF document text
  • http://www.springperfect.com/upload/finder/files/kixened.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/mediv.pdfIn PDF document text
  • http://yousefmaktabi.com/ckfinder/userfiles/files/22562554479.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160f045c750539---wuvipidofotudi.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a21e9f85011---kakivu.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/pevuwediwudinuberamasepe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=multiplication+and+division+of+polynomials+worksheetPDF link annotation
  • 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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