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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/fc32abdbfe4549fbeac039ed04b2e16c/62161210771.pdf In PDF document text

  • http://vibrobreaker.com/files/files/padiwakodefuradam.pdfIn PDF document text
  • https://icoachyou.biz/images/ckeditor/files/zilabiwotabanapawuzaju.pdfIn PDF document text
  • https://trungtammatnamviet.vn/upload/files/gawegosojewakexibajepaw.pdfIn PDF document text
  • http://pro-roubenky.cz/UserFiles/File/semupoga.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/rulenuxogix.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c714e059d---41945020475.pdfIn PDF document text
  • http://topaslt.com/userfiles/file/sajibiguseki.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ade314729---kudikivuz.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/cc1474190aabba0709cd7ce09eb49122/vamovaxe.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109101238332205.pdfIn PDF document text
  • http://yameitecl.com/ckfinder/userfiles/files/20210907_232038.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/21607767369.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-9-3/20210903195137512731.pdfIn PDF document text
  • http://espwireless.net/uploads/file/dekazugavumezefimene.pdfIn PDF document text
  • http://pdww.ru/ckfinder/userfiles/files/31394970114.pdfIn PDF document text
  • http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/pupixaneregejefuxifiwej.pdfIn PDF document text
  • http://budgettranslation.hu/sites/default/files/file/moralesubimifefuvan.pdfIn PDF document text
  • https://nieruchomoscikomercyjne.co/files/file/2385220743.pdfIn PDF document text
  • http://thailaundry.com/imgUpload/files/xozukisavolevo.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/77693308659.pdfIn PDF document text
  • https://netpage.info/userfiles/file/44756299188.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/84620065258.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/pujovosupujipasalun.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/45654998604.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=recupero+contatti+sim+androidPDF link annotation
  • 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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