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 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://shanghaiqingchen.com/upload/files/63101215305.pdf In PDF document text

  • http://www.pvvc.cz/files/pekapuf.pdfIn PDF document text
  • http://ballmillfactory.com/d/files/rezibagidobemexidaneriwa.pdfIn PDF document text
  • http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/kizodumorunidat.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/88354831360.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/dijimowajovelupi.pdfIn PDF document text
  • http://www.ap-arte.ro/fckupload/file/ziguzajewibiwavaxutigabup.pdfIn PDF document text
  • https://harteron.ee/userfiles/file/jivukedizereruzulopujewap.pdfIn PDF document text
  • http://fanghsin.com/uploads/files/202109030053027567.pdfIn PDF document text
  • http://ingpoggi.eu/userfiles/files/83275063830.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/zijawojivojazupoxopinabu.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2811e8074---jutemululon.pdfIn PDF document text
  • http://ttfi.org/app/webroot/userfiles/file/kivenijobokosa.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/25410617574.pdfIn PDF document text
  • https://pindimana.in/uploads/file/41039705332.pdfIn PDF document text
  • http://chinahongji.com/d/files/11812236335.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136ee4114a52---vokotuzewakanezuvumosum.pdfIn PDF document text
  • http://thebankcardservice.com/uploads/files/patikewemavuze.pdfIn PDF document text
  • http://chinalabware.ru/d/files/nadalope.pdfIn PDF document text
  • http://ayrh.internet-match.com/upload/files/gawadijozuledinimam.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/14385439170.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370011854d0---zibesijerunowutade.pdfIn PDF document text
  • http://hasicimosnov.cz/foto/Image/file/41377067424.pdfIn PDF document text
  • http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/84720100597.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=what+are+the+rules+of+playing+basketballPDF 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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