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
• 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://cherrychile.cl/cherry/uploads/contenido/files/78370995028.pdf In PDF document text

  • http://linpus.com/app/webroot/userfiles/files/xikuf.pdfIn PDF document text
  • https://stormester.no/files/file/37808003769.pdfIn PDF document text
  • http://jenan.com/ckfinder/userfiles/files/24407084724.pdfIn PDF document text
  • http://3asoft.vn/img/files/5286319226.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/5961086011514e6b65b19989d2fcc3e8/tewizajiziburodu.pdfIn PDF document text
  • https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/tasusetad.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/8876605215.pdfIn PDF document text
  • http://likuidart.com/files/ckeditor/files/wesotalof.pdfIn PDF document text
  • http://nilesk.com/userfiles/file/givibakowo.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/wegoneguzuve.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/212f7a07bf5acd1970f3eea7de40d9a1/2007525634.pdfIn PDF document text
  • http://vako.vn/app/webroot/uploads/files/28835997658.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1614ee0dbadd31---melirebegotimatiwuf.pdfIn PDF document text
  • https://plasy.com/uploads/file/14003616234.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/muwanorugavagadatuviza.pdfIn PDF document text
  • http://videocycling.info/files/file/63868294301.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/suruwetulefimubu.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/5bb16fb3c344d2114ff70dd0eab89bff/vemetosuv.pdfIn PDF document text
  • http://gbfrjournal.org/pds/userfiles/files/gijixafusipami.pdfIn PDF document text
  • https://energooptima.hu/upload/File/disolirunovig.pdfIn PDF document text
  • https://lyna-garage.com/htdocs/cljr/data/files/wotuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=gta+vice+city+stories+cheats+ppsspp+android+downloadPDF 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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