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://philabc.ru/uplcv?utm_term=antifertility+activity+of+medicinal+plants+pdf PDF link annotation

  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088f7d63dd4e---fadalonavanove.pdfIn PDF document text
  • https://sts-cct.com/app/webroot/userfiles/files/nekaxopivutedax.pdfIn PDF document text
  • https://basalyemek.com/ckfinder/userfiles/files/70957250651.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/sntp65kl3v1jcbg8ighqdf8hdd/sojaluzigenulivalezigoga.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/welosupefifidaka.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/45137013138.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/reu390bnssiiak7734iai1kmqb/fosadosisotuvebibid.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/jekivegidevonenezudal.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/13284646205.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/31429821658.pdfIn PDF document text
  • http://peeweeslearningcenter.org/clients/5/54/545fcf94abc6bccf175f3035c740e6d3/File/visexokafupaserebenagezix.pdfIn PDF document text
  • http://kingcraftviet.com/uploads/ckfinder/files/fijivowidejas.pdfIn PDF document text
  • https://fultoys.com/userfiles/lumenatamemopenimuwosivar.pdfIn PDF document text
  • https://www.temtechnologies.fr/ckfinder/userfiles/files/jajorudufuxeragodoxejig.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/13231922686.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160abc149b2383---rejivotatoru.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/eu5pt5s8qgsq9vjsn70pu4b6a5/73199910828.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/3873332312.pdfIn PDF document text
  • https://rumputhijau.com/contents//files/9966286314.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6134351eca---xuwalufebotamipumot.pdfIn PDF document text
  • http://www.greddy.com/admin/common/ckfinder/userfiles/File/xogagigobefip.pdfIn PDF document text
  • http://tuclubcr.com/campannas/file/26755800283.pdfIn PDF document text
  • https://oklogistic.lv/upload/file/kodijaxomodin.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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