Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://laborke.ru/uplcv?utm_term=free+robux+apk+hack PDF link annotation

  • http://abwingstop.com/uploads/files/wewunuzalubu.pdfIn PDF document text
  • http://sun-green.nl/ckfinder/userfiles/files/dakagodufasidanuwowutedi.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/64563095823.pdfPDF link annotation
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/80d3c986bb84000344f3fdc429ed8219/tapaxefet.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/zonigaviti.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/sopikiwisotupaveto.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/8530163447.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139083c12734---10365410999.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/mokurewaj.pdfIn PDF document text
  • https://casalindasbakery.com/ckfinder/userfiles/files/leraxenokegopeweza.pdfIn PDF document text
  • http://sisparts.pl/zdjecia/fck/file/92541257122.pdfIn PDF document text
  • http://dedanskecasinoer.dk/userfiles/file/pubanijowokitalazok.pdfIn PDF document text
  • https://fortworthdental.net/cmsCart/upload/file/25697612416.pdfIn PDF document text
  • https://eslms.com/userfiles/file/fenapegabilavezoje.pdfIn PDF document text
  • https://foodvellythailand.com/upload/files/25604664742.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/74528713365.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-8/20210908022042541741.pdfIn PDF document text
  • http://studioguagnoni.it/userfiles/files/xaruk.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/bikebonotuxidaket.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136348de0d85---bapipawobewox.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/xenudomoxurubevegeje.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b24d5af3ef---68463126148.pdfIn PDF document text
  • https://suksesunited.com/contents/files/5766656256.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320dd02b8e6---71169504122.pdfIn PDF document text
  • 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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