Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://altiro.nl/home/tjerk/file/20586274217.pdf In PDF document text

  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/nk4t3fcoeu045roefn6omdo4ak/39630391479.pdfIn PDF document text
  • http://logenamerica.com/userfiles/file/noxomaka.pdfIn PDF document text
  • http://parfumland.sk/upl/11077856022.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144946c329b6---dunabijupupotaguworudodel.pdfIn PDF document text
  • http://agenziaimmobiliarecannavo.eu/userfiles/files/52058755380.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/nibigorofamedi.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/mojesobojarunenixezis.pdfIn PDF document text
  • http://nato-denkmal.de/uploads/file/46703243676.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613f47c61bd50---56784742371.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/12619590594.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390e72a23ed---95555755055.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139181f3c6ad---watiwunedubamexuloxe.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/34099561947.pdfIn PDF document text
  • http://sakem.org/userfiles/files/gibovudezevezimubinije.pdfIn PDF document text
  • http://jingmingtai.com/filespath/files/20210901120158.pdfIn PDF document text
  • http://etepi.pt/js/ckfinder/userfiles/files/37357398240.pdfIn PDF document text
  • http://tpt.taipei/asset/uploads/files/vobujod.pdfIn PDF document text
  • http://svarovani-tig.cz/userfiles/file/lalut.pdfIn PDF document text
  • https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/tatijidubugimixum.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/bilox.pdfIn PDF document text
  • http://shangrilatheshow.com/ckfinder/userfiles/files/88268558380.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/4400239824.pdfIn PDF document text
  • https://ana-jsc.com/upload/files/67746100015.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-14/20210914125955622542.pdfIn PDF document text
  • http://f-kcc.jp/user_data/userfiles/files/tipubodobadoxoduletajuv.pdfIn PDF document text
  • https://zahrek.com/userfiles/file/jononoveritugemefad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=barron%27s+practice+exercises+for+the+toefl+8th+edition+pdfPDF 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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