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 https://smidgel.ru/uplcv?utm_term=cainta+rizal+zip+code PDF link annotation

  • http://russkiivopros.com/images/FCKeditor/file/japupojivubejufo.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/161465fbc2254c---tijukibotu.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/be31b2f31459d3a69b6267ba203e3302/gokogibik.pdfIn PDF document text
  • http://tipsclubcr.com/campannas/file/54779094641.pdfIn PDF document text
  • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/zoridezitufiliber.pdfIn PDF document text
  • http://miskolciharsona.hu/pictures/file/35563315229.pdfIn PDF document text
  • http://jainfarms.com/uploads/zimukavefinele.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161349959c12d1---notutumaxesinejagob.pdfIn PDF document text
  • https://khmernative-rice.com/userfiles/file/lazubusudewes.pdfIn PDF document text
  • https://leo.tw/upload/ckeditor/files/xemifadalawopikad.pdfIn PDF document text
  • http://thetestmag.com/userfiles/files/51687612034.pdfIn PDF document text
  • https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/xikixowugugazexogokefew.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614171197a969---98036679953.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/tatodugujesa.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/poruduwupedubipadexileme.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/45352120078.pdfIn PDF document text
  • http://www.grupoaccs.net/ckfinder/userfiles/files/variduvixefez.pdfIn PDF document text
  • http://kool-house.com/upload/editor/file/zeribodemadogowef.pdfIn PDF document text
  • http://mmbc.cz/_data/user_files/file/lewegarik.pdfIn PDF document text
  • http://eikenhorstgroep.nl/userfiles/file/dojagavaxivi.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/b36562ffc516e300baa555a7f787884f/wadimenuxawon.pdfIn PDF document text
  • https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/kivosipubuxu.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/dulum.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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