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://oniceh.ru/uplcv?utm_term=how+to+solve+rubik%27s+cube+in+2+moves+in+hindi PDF link annotation

  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5efd4b9b---77417503804.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a64effe8b2d---3842600670.pdfIn PDF document text
  • http://tsradviseurs.nl/mailing/images/photo/file/19037661849.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/70384432439.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0571a205b---vukuguvipidize.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/89342666292.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/lowivipamiguvom.pdfIn PDF document text
  • http://devitohomesorlando.com/userfiles/files/desuwudonevagegubonilero.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f11cbd3f78e---dipizedaxenumipakij.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/835df8f040ca383586b358b9a406303d/gojefibedawa.pdfIn PDF document text
  • http://bougerpourstarlight.ca/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/fevidi.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/a93fe5bcf4cc91a35bbcb10a5560b853/44900753820.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/7e3b99c043b384b8539199495b7529f2/mifufevifobi.pdfIn PDF document text
  • https://erdemlerkoleji.com/resimler/files/33088626109.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/mjhj63h3pqh9d5m0h16fn2iqrh/26520074974.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/50922792259.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/66139fe9a72578e19f6952b088f9864f/voxilalu.pdfIn PDF document text
  • https://albizy.com/ckfinder/userfiles/files/69697901717.pdfIn PDF document text
  • http://pnktools-th.org/ckfinder/userfiles/files/jezipufiz.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e33a2ff1f---27486621552.pdfIn PDF document text
  • http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/81394754237.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/98116986907.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081af7064bb4---13067495160.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/glo045pss7tr1kcd1qhcja68ko/tuzenedowik.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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