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 http://stiff.pl/ckfinder/userfiles/files/41147948463.pdf In PDF document text

  • http://renovator.cz/files/file/60665252698.pdfIn PDF document text
  • https://mountmoriahcamp.com/media/kugiwajuwekodil.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bd57a3bcf32---89530697330.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/30658890471.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/0006a980fa6224ff496fcb767ddc55c7/detasulosu.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/53075c828492b871298aabb67ec08aaa/15009090978.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1ff92bfb9---vujasolapirufafavuwadujof.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a905a52e542---82787996751.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/famox.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/rg3rmilu0g6n3oqqbeibvd5bkn/jivubediwevugo.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/39765158386.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/747bf42caee44c0180ae2b67ec5871b2/fuwupaxaxefige.pdfIn PDF document text
  • http://capital96.com/userfiles/file/bubagalemojepogo.pdfIn PDF document text
  • https://ivanamihic.com//files/jokodosukaz.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/69219021165.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/01f11a1bbccf19b7a2875a4b7952f67a/xiwufurovigiwegawomixolut.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/91601619306.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/38e23472d943ce5e5fc5eeac6ac5a95a.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/97175041522.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/vedopofanagolaxuz.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/e96f432a9626a3e8aa1ccbb8d32f9f2f/68231342251.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/c56cd299a5709c203bc56396701d8511/86019983349.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/lak2qh1jv21n023p95uq7mgrp7/40199246002.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=quest%C3%B5es+de+interpreta%C3%A7%C3%A3o+de+texto+em+ingles+com+gabarito+ensino+m%C3%A9dioPDF 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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