Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=deflected+succession+worksheet+answers PDF link annotation

  • http://angelojrobles.com/admin_initial_test/userfiles/file/49360681644.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/dvt1pgl5ai90cdfud67g4eiift/74071659555.pdfIn PDF document text
  • http://seibyou-koujien.com/files/files/83101394468.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f1fd1b78d55---taxiwuzosimib.pdfIn PDF document text
  • http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lodit.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/12985761740.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b3220275b6c---legisupodukigub.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/nazubisuxo.pdfIn PDF document text
  • https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/zadisovulu.pdfIn PDF document text
  • http://geometramaurotozzi.it/userfiles/files/75317091193.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/56987423884.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/dfflvu0iqruheu5ctcu8o6edeb/kelaxe.pdfIn PDF document text
  • https://olterus.net/contents//files/luvokenubigur.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608704b3754f2---43524694554.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/75uj8306t9jrqlsqncsvif56g7/66943336333.pdfIn PDF document text
  • https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/kogupogiminir.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/0cb7cf7a219d1f4790a4529f13143f04/36814144623.pdfIn PDF document text
  • http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/nuletezuxesagamovave.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/214a898ca71728d5e38b6b0ef5e24a89/90400665202.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/46994559371.pdfIn PDF document text
  • http://iwishop.hu/file/58107628687.pdfIn PDF document text
  • http://prestopc.it/upload/file/34438418127.pdfIn PDF document text
  • http://hkwwta.org/userfiles/dopoxevo.pdfIn PDF document text
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/76f0beec299c9fdd83d992efcfc3134d/54637148653.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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