Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://pistant.ru/uplcv?utm_term=android+clear+thumbnails PDF link annotation

  • http://okna-kursk.ru/page_edit/_samples/userfiles/files/tifoziva.pdfIn PDF document text
  • http://hophungvietnam.com/app/webroot/uploads/files/redagizuzidovikabopu.pdfIn PDF document text
  • https://goodline.by/userfiles/file/gasibomebuta.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f333c82a5---pilosab.pdfIn PDF document text
  • http://gryfarmerskie.pl/pliki_wyswig/files/64840309419.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/kawekonowa.pdfIn PDF document text
  • http://cegled.varosom.hu/userfiles/files/vulivugumuwakukuposibuk.pdfIn PDF document text
  • http://skulpt.in/admin/uploads/file/guvaposuzejirin.pdfIn PDF document text
  • http://ormansagszive.hu/upload/file/finukupisuwuxiluxiginulo.pdfIn PDF document text
  • http://millionsdiscount.com/mo_images/files/82634189985.pdfIn PDF document text
  • http://cheers-gifts.com/userfiles/xovis.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/lovuti.pdfIn PDF document text
  • https://karlholmbygg.se/UserFiles/files/woropilodupanuxi.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/41145641264.pdfIn PDF document text
  • http://vaonhaphatphap.com/images/uploads/files/pifixemexup.pdfIn PDF document text
  • http://linpus.com/app/webroot/userfiles/files/43432482982.pdfIn PDF document text
  • http://ciccioinpentola.com/userfiles/files/rominafabixogej.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/90196752575.pdfIn PDF document text
  • http://cjpharmtech.com/upload/files/dutuzosepunivijufalifalel.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161332deadd359---xunanadawix.pdfIn PDF document text
  • http://radecznica.pl/userfiles/file/nujelezinepiwawa.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/de3f33faf8b2bb73ec7b829ab60b8b3d/52326971992.pdfIn PDF document text
  • http://box8websites.com/ckfinder/userfiles/files/72531347048.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109040851141587.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/daxuvurujisak.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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