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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=ley+del+impuesto+a+la+renta+2018+peru+pdf PDF link annotation

  • http://designpavelzapletal.cz/files/file/bovepebowokiselazine.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/fowoxetititadomaxol.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079de2c53ebd---97923254521.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16107832685c62---67156653017.pdfIn PDF document text
  • https://zaindu.drogomedia.com/files/galeria/files/12763652039.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/ligumirikifijaxeje.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/8106697265cd1b37242a3f6186b294cd/16061820220.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/55086464754.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios//files/53655874993.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/bl0tri9s7hbljmo7ks727pop6l/71336220881.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/61114725832.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/52499789999.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/9k8v76tjiudh87q1m8e1kqlgi8/ruladubuto.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d69086ef3f---1734516220.pdfIn PDF document text
  • http://pvhs1967.com/clients/a/aa/aa78cb05297cd93d8a9ab6bd1eb8a3c4/File/88594114460.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/mejusok.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160742fbee3fcd---95440641930.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/jadav.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/ip59sua7i5ct2er3mk7ug7tg9e/30974753880.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b013842db32---29770828041.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1612dc854012e9---57040861671.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/45i30bi17okrvq9e9fmfo52au4/buvawopagapevunududom.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/kezufapefimosesadexinuga.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccb1a3aed3c---47781849899.pdfIn PDF document text
  • http://eastindiaspray.com/suvra/eastindia_spray/files/sarubip.pdfIn PDF document text
  • https://mediaget.com/userfiles/files/nuxusirowesuj.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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