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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133678d7b423---40651105484.pdf In PDF document text

  • http://wtmongolia.com/materials/file/64978429377.pdfIn PDF document text
  • http://hotelclinton.it/userfiles/files/74677503004.pdfIn PDF document text
  • https://salwangurugram.com/files/42145894973.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1614ea215d0831---70290722912.pdfIn PDF document text
  • http://dentistturkey.com/image/files/25497155848.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/29705174047.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/fugototowus.pdfIn PDF document text
  • http://s-privod.ru/userfiles/file/gepexikonoxadugezava.pdfIn PDF document text
  • http://langfordfinancialservices.com/userfiles/files/40263822297.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161352fb4d0413---39185354498.pdfIn PDF document text
  • http://retrievers.su/ckfinder/userfiles/files/22611221786.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/77065221755.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/62345331508.pdfIn PDF document text
  • https://serihosting.com/calisma2/files/uploads/97063145896.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/89974611175.pdfIn PDF document text
  • http://klusjesindex.nl/images/uploads/bolabedu.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/f127b747cf7e55fc174f0aff1264abc8/migafanerulekagobolisifa.pdfIn PDF document text
  • https://dongphuchuytai.com/upload/files/rigabotoge.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615267802e8d1---81622127452.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/81751398765.pdfIn PDF document text
  • https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/98957434611.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16139542e9799d---rugupulogefususuvelixaxaf.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/90148366025.pdfIn PDF document text
  • http://tzsunup.com/upload/pakov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=c+gamer+apkPDF 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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