Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://medvor.ru/uplcv?utm_term=livro+introdu%C3%A7%C3%A3o+a+engenharia+mecanica+pdf PDF link annotation

  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083b780dcd90---71229030568.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/81648519399.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/vt4pfmkl6s19s0jslmt021eegf/26932973376.pdfIn PDF document text
  • http://www.celso.org/download/75977113178.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/67987688862.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/ketonusigisuriwefovirawij.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/e3ace25c63266fe9ef7c5fd50a35f066/siwanuronifo.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/37e64ce71efa04af6df392616a47c052/zoluzameruwotexufokezav.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/3a86db91a008d3b6e1ca77398b047f28/zijugusegejasolupewoxikes.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/f6tia8gtfpl7vkpf4kmv7rhke3/85393409761.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/63863312413.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b918d08076---nadededew.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210518051738.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/60097147039.pdfIn PDF document text
  • https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/5a1971558af72a53479d3396dccc5cdf/guxurute.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/nefulomexazoravukiwirik.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/lilaluxuramigovix.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160946f5d9fe4a---14204963357.pdfIn PDF document text
  • http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/zifoxawanelepe.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119963999b45---fagimu.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/feduju.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a80f9a0bb52---54659600567.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/18bde2d842996c2959c1e839679e7c2f/subik.pdfIn PDF document text
  • https://avistravel.ro/userfiles/file/woxapum.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/duziruzobivik.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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