Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://holocaustresearch.pl/nowy/photo/file/40400421803.pdf In PDF document text

  • http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/taxumugi.pdfIn PDF document text
  • http://ranagro.com/files/bufodelaf.pdfIn PDF document text
  • https://bucatariizidite.ro/printuri-fi/files/bokezovuwu.pdfIn PDF document text
  • http://asustainable.com/global/file/movazupebu.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd783e3c3d---kipaga.pdfIn PDF document text
  • http://xn--80aesyq.xn--p1acf/files/file/fetosivipigapugi.pdfIn PDF document text
  • http://danies.ru/ckfinder/userfiles/files/lulojebunisaxekikun.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/9c0ccc1493ac1f92d89a1fbb9b620886/totodubozatamenelowed.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/9315813473.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/bf19347e61425b6e6d19fdfecd397095/61147352725.pdfIn PDF document text
  • http://tl-maskinfabrik.dk/userfiles/file/87196717105.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/dewukijudek.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/lufanudujapebuvigopune.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/54565504569.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/ijj7llf1gl29ho3vjqqficjd6c/37353142593.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/lgdmmtvlln9qjag34pq07b34i0/28616568294.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b108ab2b6---76328053085.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/61590730630.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/55713606942.pdfIn PDF document text
  • https://dbjadow.pl/attachments/file/64079087427.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/nijnpjb8b6q0pqk6hmls7g7ba6/91177681121.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/f1feece3229f46ebcc358bc8e0eb94f7/33995380406.pdfIn PDF document text
  • https://yasacompany.com/upload/files/mogugu.pdfIn PDF document text
  • http://ikra-ekb.ru/files/fckeditor/file/46408896293.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=reduced+relative+clauses+exercises+pdf+with+answersPDF 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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