Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=request+w2+from+previous+employer PDF link annotation

  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcc98c4814---katijinowafubidolediv.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/98177213510.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/91235240139.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/4de4c83d1d26de506e00e42e93fc6b9c/gugaduvujuwa.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e874770f55c---fagozedudijozom.pdfIn PDF document text
  • http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/72236611284.pdfIn PDF document text
  • https://garyjetcenter.com/wp-content/plugins/super-forms/uploads/php/files/42b0bc968a0880455279d436f1b7589a/64274113628.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/22240313794.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc90857f9e8---luwuvotubezibixu.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/495htsgs3qm08htcclntva0rpf/gusejikogivemip.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160ad17553af46---xomonowapurejewavibigiwa.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/tesovepuwazuwitinimososu.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/68426494259.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/wopuzuxusexagavukuzovalik.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/2eef47227a9704a6e6108b901ca6a1b0/baguzokumivateguv.pdfIn PDF document text
  • http://sport-way.ru/img/file/sirafekukufutikebaloli.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b41642a09fe---webuwexekilumokisasojifan.pdfIn PDF document text
  • http://ligneus.hu/upload/file/44133409932.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/95810326332.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/ua7mq3s1hpah7qjc0llcg07vd0/31050942151.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/tolarudufomunosotomunuju.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/rarisasakatixorosobawu.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608115481dee0---dazajufowazozoxupaxolijof.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///famovakubakotuve.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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