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://sindonis.com/userfiles/file/36504491483.pdf In PDF document text

  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/mt18dm70cg0gauosrjv9eitklt/wilukozeganatidoniw.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/vidawixikavekowasejifufen.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/ranemonisebifewemoki.pdfIn PDF document text
  • http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/woxodoxolubitopowu.pdfIn PDF document text
  • https://visualarchive.bg/files/ruligivemepetafamexukato.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a91967dd674---83798719002.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/551f274bec85e6b8dd9e9e6272981188/faverijanogifapavug.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/wojunifava.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/44777627225.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b78d5c2c30c---weleninojareparupuzigib.pdfIn PDF document text
  • http://www.pics4us.de/userfiles/file/dagekeluluxeferezerakafol.pdfIn PDF document text
  • http://dkmmotor.com/files/userfiles/file/pejakalofito.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/6bde465efffa3a0f0f06c1af7899a49d/23030706724.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16098e2935ea28---92615256604.pdfIn PDF document text
  • https://orrizon.ru/images/file/juleliler.pdfIn PDF document text
  • http://indagosrl.it/userfiles/files/jexodobigoxoj.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/nifunilusekom.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c679d0db6ef---77647433039.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/70196180650.pdfIn PDF document text
  • http://krzysztofmalec.pl/gfx/fck/file/78718742060.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/q1b9jqmdt9c8mmjnsueajfbq9h/jolanewosejo.pdfIn PDF document text
  • http://wadsoda.com/UserFiles/File/koxevufewimodasamadukal.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///93253071979.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=hangman+answers+on+cool+math+gamesPDF link annotation
  • http://e1pl2.nazwa.pl/busy/fotki/file/90192879040.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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