Malicious PDF — malware analysis report

Heuristics 6

• 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 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=easy+words+that+start+with+i PDF link annotation

  • http://precedent.by/_newsite/images_from_html_editor/file/46892852459.pdfIn PDF document text
  • http://youil.org/userData/board/file/xobuxoxevugoriluxafoguken.pdfIn PDF document text
  • http://abw10thstreetne.com/uploads/files/15798093075.pdfIn PDF document text
  • https://artgallery.devctn.com/ckfinder/userfiles/files/23480827887.pdfIn PDF document text
  • http://camara.acessoainformacao.org/uploads/ckfinder/files/44925841810.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353e105aefc---tiburimov.pdfIn PDF document text
  • http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210908051202.pdfIn PDF document text
  • https://somogyplusz.hu/files/nematu.pdfIn PDF document text
  • https://sklepbonus.pl/userfiles/file/minukolodivaba.pdfIn PDF document text
  • https://fpcofmacon.com/nbloom/fckuploads/file/zufadebokeku.pdfIn PDF document text
  • http://kemnhapkhau.com/upload/files/34140892035.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/gigatipep.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa53a6f687---fizejexujezofugoso.pdfIn PDF document text
  • https://cmflower-kkc.com/ckfinder/userfiles/files/96446578829.pdfIn PDF document text
  • https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/zabiru.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/midozunajup.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/judojeludali.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/87617212261.pdfIn PDF document text
  • https://fullmagicweekend.com/ckfinder/userfiles/files/guwovadirawiroruni.pdfIn PDF document text
  • http://jjc-dev.com/userfiles/file/58823336830.pdfIn PDF document text
  • http://aromaonly1.com/yamituki-n/uploads/files/50081417526.pdfIn PDF document text
  • http://box8websites.com/ckfinder/userfiles/files/dizerumom.pdfIn PDF document text
  • https://m-isc.com/userfiles/file/60472491639.pdfIn PDF document text
  • https://enilubricantvn.hoakhanh.vn/uploads/image/files/35879740189.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/t08u3t6efb37md069qkr1lh6n2/buxexugufivigilatu.pdfIn PDF document text
  • http://synergytaekwondo.com/click2buy_newp/userfiles/file/bojiwizavijeb.pdfIn PDF document text
  • https://tspinstruments.com/cache/fck_files/file/musizaditok.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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