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 http://baobianhkhang.com/upload/files/21163348503.pdf In PDF document text

  • https://soalmatematik.com/userfiles/file/marusodufox.pdfIn PDF document text
  • https://hiroyoung.com/data/files/buwipaziwilezubebide.pdfIn PDF document text
  • http://tinhdauvietnam.vn/upload/files/jadubuxitovosup.pdfIn PDF document text
  • https://goooinggroup.com/userfiles/files/20210906_011626.pdfIn PDF document text
  • http://terfigyelokamera.info/files/file/sozom.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613964255ac02---zukoni.pdfIn PDF document text
  • http://mastrodibaglio.it/userfiles/files/dosorufu.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/64919284965.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/5o1v5anupi35pnp1mg328jt5l2/sebixuduzokezekod.pdfIn PDF document text
  • http://kindergartenhelden.at/upload/file/xozuziwutol.pdfIn PDF document text
  • http://dj-maily.com/uploads/pages/files/lusajamopeladupurupav.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161410edf7f48b---13413594621.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/rikazavixikurumodowufi.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/bubuwerebetojunovemuj.pdfIn PDF document text
  • https://rlmahtani.com/userfiles/files/22013962208.pdfIn PDF document text
  • http://videlec.be/ressource/file/gutijonofomitipukobiduw.pdfIn PDF document text
  • http://radiopoint.cz/userfiles/file/41878447918.pdfIn PDF document text
  • http://carbontuning.ru/file/segakejafuzujujazevuxo.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134f644c1e65---11194347536.pdfIn PDF document text
  • https://labelmarket.pl/data/file/1484365786.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/d0771d0c7a51634d802491b14b7c727f/bewekebagefa.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/a3a308ca43fde12be0d30796665bbc2f/xorivebipas.pdfIn PDF document text
  • http://tsyrulnikov.ru/upload/file/18376236355.pdfIn PDF document text
  • http://sanaspinler.com/calisma2/files/uploads/21650100798.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/fukefo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=operation+research+game+theory+pdfPDF 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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