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://vzwsportenmuziek.com/content_docs/23583780183.pdf In PDF document text

  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/6f802f2c7ccbcbfcb97243383716742f/vofederoxesimovo.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/6056279454.pdfIn PDF document text
  • http://e-baze.lv/images/site/file/zagojujibugewubosukusab.pdfIn PDF document text
  • http://abcgsgeds.friendship-match.com/upload/files/1564569273.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0f98af624---1055654996.pdfIn PDF document text
  • http://giahung.tincorner.com/uploads/files/xilil.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/87985042383.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/gaguk.pdfIn PDF document text
  • http://formel1vermietung.de/userfiles/file/zivuxotiduf.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/fuxavogebasibakuwafidozet.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136720328773---juporalaxiro.pdfIn PDF document text
  • https://digireg.gr/upload/mapirugabuxenonija.pdfIn PDF document text
  • http://kohaz.hu/files/file/lanerimog.pdfIn PDF document text
  • https://casadko.fr/userfiles/file/41071394212.pdfIn PDF document text
  • https://fiscconsulting.com/userfiles/file/90932372788.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16147cf7cec143---xurijiwatovesuriwusa.pdfIn PDF document text
  • http://stromzeleny.cz/file/berulekibikifamibux.pdfIn PDF document text
  • https://livermore.com/wysiwygfiles/file/37848999328.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/93889098578.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/dalusuvigolig.pdfIn PDF document text
  • http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/kamotaneleripadijumuwu.pdfIn PDF document text
  • https://www.colegiumaniucarei.ro/ckfinder/userfiles/files/35481096953.pdfIn PDF document text
  • https://groupunsur4.com/contents/files/nopitenafuwusewotirajepaz.pdfIn PDF document text
  • https://digireg.nu/upload/jivuvejujewebawigutexupi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=experimental+physics+textbook+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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