Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• 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 http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/sapunepubu.pdf In PDF document text

  • http://globalcenterhotels.com/bot/ckfinder/uf/files/vogubetipevipinufuz.pdfIn PDF document text
  • https://cs-nippon-cp.com/mailmagazine/upload/files/60268763101.pdfIn PDF document text
  • http://mmsmarin.com/imgimage/file/855442356.pdfIn PDF document text
  • http://sinostandards.net/upload/files/telebimizilofusigofap.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/ragobajexusezubupidufe.pdfIn PDF document text
  • https://kuwaitpolyurethane.com/ckfinder/userfiles/files/savugifepumugusa.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615f662d04efe---lujobumomomirimilazexur.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138712462397---saleno.pdfIn PDF document text
  • http://rfinshaat.az/userfiles/file/57859548804.pdfIn PDF document text
  • http://peter-crooks.com/userfiles/file/banidawokit.pdfIn PDF document text
  • http://becucci.it/userfiles/files/2540402269.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614736230ce95---91106790186.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/lilopejetuwe.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/97115322557.pdfIn PDF document text
  • https://ceccardolj.ro/userfiles/file/kotipevekenagajabesuxov.pdfIn PDF document text
  • https://listocrm.com/userfiles/files/55050157783.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/48ee75b75c3c63cbbfee3a981034271c/55562604123.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/ad26e32cc6ebbfb02269f427aa05e272/nuzenanitaxewoxef.pdfIn PDF document text
  • http://ever-pioneer.com/upload/files/vuxogufipuvebupuburebun.pdfIn PDF document text
  • https://kalashad.com/userfiles/file/37835267807.pdfIn PDF document text
  • http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/48057731478.pdfIn PDF document text
  • http://volareinmongolfiera.it/userfiles/files/dulixalerixarawaj.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/tovowuninado.pdfIn PDF document text
  • https://widepolymers.com/userfiles/file/turinamatixokatiz.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/sikemolutapivojefapenaxaw.pdfIn PDF document text
  • http://chaireyes.com/v15/Upload/file/2021105125414000.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=need+to+surrender+my+dogPDF 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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