Malicious PDF — malware analysis report

Heuristics 7

• 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 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 https://nomylo.ru/uplcv?utm_term=merck+index+free+download+14th+edition PDF link annotation

  • http://testplanet.nl/uploads/files/nidafimajoj.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/r2suucsjf44bqo37bhspkg0r21/29009784445.pdfIn PDF document text
  • http://marienoellebermond.com/img/uploaded/file/78473248509.pdfIn PDF document text
  • http://veterinariacasettamattei.it/userfiles/files/wipolopuzuziji.pdfIn PDF document text
  • https://okna-kursk.ru/page_edit/_samples/userfiles/files/28216767069.pdfIn PDF document text
  • https://chambres-hotes-aube-bleue.fr/userfiles/file/60766821210.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef9eb0eba6---fenojikovinajavawo.pdfIn PDF document text
  • http://winso.tw/userfiles/file/bofatezubuxujenisit.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/161453657a0574---37509630041.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/41257072988.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/7523639514252c059a18236cef0e6aa2/jezewa.pdfIn PDF document text
  • https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/43687751525.pdfIn PDF document text
  • https://tele-video.ru/upload/files/42451676485.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/pm5tlhno14vfbp6016dejjb6c3/75692179613.pdfIn PDF document text
  • https://holyfamilyhospitals.com/ckfinder/userfiles/files/totomozajis.pdfIn PDF document text
  • http://chongqinghaohong.com/upload/files/28261177422.pdfIn PDF document text
  • http://kamkmori.cz/ckfinder/userfiles/files/wuxadofunepeme.pdfIn PDF document text
  • http://bekescsaba.varosom.hu/userfiles/files/pubafagagetaxoxapera.pdfIn PDF document text
  • http://bezpiecznamlodosc.org/files/file/36239646319.pdfIn PDF document text
  • http://htwy.com/upload/file/lopidetulapuxisogekera.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/denofesusoxapisubeluzike.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad98e9afa5---19501175553.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/16424073578.pdfIn PDF document text
  • http://dfzh.jmdftour.com/fckeditor/userimages/file/vivevasazali.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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