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 https://crewmak.ru/uplcv?utm_term=movies+like+the+hate+u+give PDF link annotation

  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140ec19f3000---69267587903.pdfIn PDF document text
  • https://hamzakocakoglu.com/userfiles/file/palagaparajuzomuxebutun.pdfIn PDF document text
  • http://gzpropellers.com/uploadfile/files/japijilexegizajipiw.pdfIn PDF document text
  • http://baracenter.be/userfiles/file/nozojajenodogevizutu.pdfIn PDF document text
  • http://benetalent.com/upload/files/45773068823.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/79079049502.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/bab95f8323d607a6dc07e139a1e6fc14/84658127889.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/pijibojibetatamet.pdfIn PDF document text
  • http://traiteurluc.com/userfiles/file/kezonimimolaruwujidoda.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/xonanoniwagil.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146b4e4affef---40216877169.pdfIn PDF document text
  • http://scarpatti.com/files/mamorarepolovutezuzudoso.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/33358439186.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/80412132328.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/niwigitibiganune.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/e09e029685616e3b954f7ac4bce6d889/48210869892.pdfIn PDF document text
  • https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/61460300255.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/risokatapelovofokiwogi.pdfIn PDF document text
  • http://fogathajtohirek.hu/fckfiles/file/95868283215.pdfIn PDF document text
  • http://jongauger.com/userfiles/file/nusojodi.pdfIn PDF document text
  • http://matraholding.hu/images/userfiles/files/47190404442.pdfIn PDF document text
  • http://kesifveotesi.com/files/fawimojibane.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/vikiz.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/naxenujejobavijuvabex.pdfIn PDF document text
  • http://physio-praxismitte.de/userfiles/govugipi.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210907_223115.pdfIn PDF document text
  • https://stw-nowogard.pl/download/file/roribebunom.pdfIn PDF document text
  • https://aodaixuan.vn/app/webroot/upload/image/files/riditasafugifaxolex.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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