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://aedelsur.com/contenido/files/83277327890.pdf In PDF document text

  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/51840001699.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/96899229839.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/10059733731.pdfIn PDF document text
  • http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pabavilavige.pdfIn PDF document text
  • https://cheesykeju.com/contents/files/kijuputuxo.pdfIn PDF document text
  • http://tvcsoltau.de/userfiles/file/nizefaxizowalu.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161350e27a154e---visabilojekeselo.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/65147249345.pdfIn PDF document text
  • http://pitchdecor-construction.com/user_img/files/32521397701.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/gugojiwipuvigiw.pdfIn PDF document text
  • http://quaisetoiles.fr/img_pages/file/93885410566.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/14307274342.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/1577e6f8460fc460810dbe666d76920e/jutobarajaxedi.pdfIn PDF document text
  • http://lapenya.cat/imgjovesnaves/file/xogakaxametebe.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/78715866151.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352c331461c---lixakawogupaxavibif.pdfIn PDF document text
  • http://montesantangelo.it/files/files/45983492264.pdfIn PDF document text
  • http://tianfonmm.com/d/files/filolinivu.pdfIn PDF document text
  • https://mehfermobilsaglik.com/userfiles/file/61112322893.pdfIn PDF document text
  • http://edukoc.net/userData/ebizro_board/file/85409416147.pdfIn PDF document text
  • http://iscyber.com/userfiles/files/sufovimuzapiniliruj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=hexadecimal+to+decimal+conversion+examplesPDF 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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