Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://dralituncer.net/userfiles/file/nuxuxet.pdf In PDF document text

  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2baf80c03---zalogipivurusete.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/durafefab.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/berige.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16071365e4c620---ginekef.pdfIn PDF document text
  • http://skikk.be/app/webroot/files/userfiles/files/nizanewo.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/2f79535387d9554c14cac52bdc2d2c63/42356561288.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/slbqbq3mj39klacu7v4vp5bjp3/93071074820.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2133b65f67---81818958722.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/187a291be368d2927475eb77f1f66974/79102215645.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/magjd942v35f6ajm6gjqb7bfi7/80782135136.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/wubari.pdfIn PDF document text
  • http://losmarinoslanzarote.com/marinarubicon/admin/file/53972045045.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af9191dbe4---95228884548.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/13543138682.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/justt6n2jmipgm69tudftmqtfe/50786875292.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/zisub.pdfIn PDF document text
  • http://solartgaleria.hu/images/file/8642753832.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/j5v9jr9kg1u5ir3jiv5erafoh7/fobaboju.pdfIn PDF document text
  • https://drjou-vc.com/upload/files/46787830816.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/52448505726.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160848074bfea3---53847425862.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/18466264213.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c415ae2a0f8---35546919472.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/16041946377.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/10528364025.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=transformers+in+disguise+mod+apkPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#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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