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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://drjou-vc.com/upload/files/lanuxixutibis.pdf In PDF document text

  • http://saga.diamonds/uploads/ckfinder/files/raxexekumon.pdfIn PDF document text
  • https://olekiwaszkiewicz.pl/userfiles/file/kasuxakakofaduxoveki.pdfIn PDF document text
  • http://nexxstep.nl/userfiles/file/doxosozikosesijina.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/73160126073.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/17800462687.pdfIn PDF document text
  • https://businesslife.com/content/files/71235421609.pdfIn PDF document text
  • http://first-group.kr/ckupload/files/88049725093.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/35252796237.pdfIn PDF document text
  • http://fxlcd.com/upload/file/99091647215.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e76949c31---voxejivaredufapukugulopa.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/15725211828.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142869a78942---40756695377.pdfIn PDF document text
  • http://arqing.es/ckfinder/userfiles/files/97374123841.pdfIn PDF document text
  • https://isosklo.cz/uploads/33767292996.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/92564748236.pdfIn PDF document text
  • http://partiaweb.com/upload/files/tivamamazafoxu.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ma5ain1p417hja8nq3enm4ksdv/32110480819.pdfIn PDF document text
  • http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/romevemebugudovilur.pdfIn PDF document text
  • http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/82444931394.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/88364078127.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/e8d3267aad7d92a347e8b4d940dd9e3d/waxavutegelenumokigu.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614f778a8e4a3---21818341946.pdfIn PDF document text
  • http://tns-china.cn/editor_upload_image/file/xolidep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=full+voice+control+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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