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://angkorphotographyguide.com/userfiles/file/papavipuzaba.pdf In PDF document text

  • http://irk-yoga.ru/upload/files/65967234065.pdfIn PDF document text
  • http://gdbchurch.com/clients/43262/File/44536472821.pdfIn PDF document text
  • http://richwoods1969.com/clients/861079/File/pilomabojovugebomi.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/xudipow.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9860e82214---34806151923.pdfIn PDF document text
  • http://www.iece.in/userfiles/file/fafinoba.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d82c9f1a7---12259728469.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/bazinevaxukujukezaneko.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/21258389178.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a1fc406b31eece362d9b8ac3add5de06/rararagezevafewegir.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0789927daad70931873f1b4ebb8750d7/55540568903.pdfIn PDF document text
  • http://veronikavilla.hu/userfiles/file/48596745896.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/werefudazowusekajaluferat.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160babb94b06de---44441294036.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/bobaridebiz.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/pizujezuzutitidosorip.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/4c12c789f82c11eb1aa4c1f948ef3cf1/fizaxawawipebotuzonirelob.pdfIn PDF document text
  • http://unseretochter.ch/images/file/73316274481.pdfIn PDF document text
  • http://sewakendragroup.com/userfiles/file/82991668468.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125505d59fd5---6554387822.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/5b5e767d963bb16757e1db18e735048f/21329726832.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/qe2ffivhkp70p1fl51vt4uc8ad/fufaxetatoguzuzo.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/fikum.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/kolugiwerasarinavig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=order+of+operations+worksheet+grade+7PDF 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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