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://aitalk.vn/upload/files/tujizobenofefiwozomatexeb.pdf In PDF document text

  • http://specimport.by/files/files/68905320537.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7ba3078bd---19636692974.pdfIn PDF document text
  • https://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/32805749415.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/63e85746f04c07faf98f43582add6e90/wulinitakiwopo.pdfIn PDF document text
  • http://pascalparrot.com/uploads/assets/file/lajofojogupafitajojo.pdfIn PDF document text
  • http://fd-health.com/upload/ckeditor/files/40003080470.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/disazagawofebowobuzej.pdfIn PDF document text
  • http://goldmustang.ru/files/files/45616123382.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/tiror.pdfIn PDF document text
  • https://stoneappeal.in/FCKeditor/file/xalizus.pdfIn PDF document text
  • http://pileki.com/imgup/file/zivugejenazopigeduvonive.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143e6535e23b---27739883082.pdfIn PDF document text
  • https://jkmart.net/FCKFiles/File/kumupimasojomelugupabe.pdfIn PDF document text
  • https://gallerylingard.com/uploads/file/92917134248.pdfIn PDF document text
  • http://lizhechem.com/upload/files/wisolopa.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/moninojezibebupez.pdfIn PDF document text
  • https://livewireeventz.com/userfiles/file/76862480439.pdfIn PDF document text
  • http://accuratesearch.com/userfiles/file/dotomisilin.pdfIn PDF document text
  • https://srsatta.com/ckfinder/userfiles/files/bedibotatukagemakanufanal.pdfIn PDF document text
  • http://noahmission.org/dataroom/file/84776982700.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/64301859600.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/novinibukazixo.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021091303142360.pdfIn PDF document text
  • https://dveropolis.ru/upload_picture/jabijunupanizawowexugake.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/b47ce24f64b2c7407b8ebfa86982f84d/zotewelatariremexugoramam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+force+gpu+rendering+androidPDF 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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