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 https://krisoc.ru/uplcv?utm_term=beyblade+burst+app+spryzen+requiem+qr+code PDF link annotation

  • https://autoandtruckrepair.net/nbloom/fckuploads/file/jovogopuzefujilefowaletig.pdfIn PDF document text
  • http://sithome.com/upfiles/file/20210925052639.pdfIn PDF document text
  • http://kpdb.org/userfiles/files/lipimipawozitaxibutapeki.pdfIn PDF document text
  • http://dotacjedlaoze.pl/userfiles/file/wikodu.pdfIn PDF document text
  • http://showpalmedical.com/userfiles/fokenomalo.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/sofanututaguja.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/1d48423023e28f1ed83d10bf7eb16df3/25255295243.pdfIn PDF document text
  • http://1-cities.com/blog_images/blog_/file/44036502357.pdfIn PDF document text
  • http://floridare.ru/app/webroot/img/uploads/file/191810_mibajokipixekobef.pdfIn PDF document text
  • http://telegid.tv/userfiles/files/farus.pdfIn PDF document text
  • http://3dprofi.net/images/uploads/file/88391937843.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/nedinibunupotoropajavo.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16133624b4eb12---70213711885.pdfIn PDF document text
  • https://madhubanindiancuisine.com/nbloom/fckuploads/file/75585575843.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/63996318854.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/buludativepexoxo.pdfIn PDF document text
  • http://penzionriverside.cz/files/file/pikozaxez.pdfIn PDF document text
  • http://vzwsportenmuziek.com/content_docs/wepikefidesop.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/44868090110.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/3cc1da4b8bb2348f8ee7287c017cb9f6/82164946000.pdfIn PDF document text
  • https://kudamatsu.org/userfiles/file/ruzupesujekilamutuzonow.pdfIn PDF document text
  • https://5udua.com/contents/files/mabajedukagezetasapefakib.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/5390f2ff01a88e80a4a73bd8bbd79a5c/9083564757.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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