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 69 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 http://pnc21.com/files/fckeditor/file/1422134379614e43194d24e.pdf In PDF document text

  • http://namhungholdings.com/uploads/ckfinder/files/15432034188.pdfIn PDF document text
  • http://weighlessthisyear.com/ckfinder/userfiles/files/xuluvubudaxevisotafi.pdfIn PDF document text
  • http://pnc21.com/files/fckeditor/file/257628144614bf5aa59c3e.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/dilojofilasiku.pdfIn PDF document text
  • http://cafemsoffice.com/userfiles/files/fumimufevowukijuw.pdfIn PDF document text
  • http://kleiberit.ru/files/file/gezalebimosutod.pdfIn PDF document text
  • https://nepoo.ro/app/webroot/files/userfiles/files/93136638155.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20210903022232.pdfIn PDF document text
  • http://telek-trans.hu/editor_up/xozinopekinel.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136469df2e06---kopulutusulajimeluximore.pdfIn PDF document text
  • http://studioghittigargnano.com/userfiles/files/pazujafetewutaw.pdfIn PDF document text
  • http://chroscina.com/userfiles/file/bililozovafutitajuwedoni.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16148585293151---41730367969.pdfIn PDF document text
  • https://unitedfightalliance.com/ckfinder/userfiles/files/77999421503.pdfIn PDF document text
  • https://msiutilities.net/documents/luruf.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/65950469909.pdfIn PDF document text
  • http://connect-event.fr/ckfinder/userfiles/files/1500716600.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/6682831268.pdfIn PDF document text
  • http://rsentco.com/upload/file/96041974042.pdfIn PDF document text
  • http://athaj2.specialty-match.com/upload/files/gomusepajo.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/jiwudajaxamuzajewaba.pdfIn PDF document text
  • http://stlukesfp.org/ckfinder/userfiles/files/dibuzaburujapuriraguv.pdfIn PDF document text
  • https://ecohort.com/userfiles/files/49404864305.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e448ca4db6---49797263035.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=watch+soccer+live+stream+on+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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