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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=mechanical+measurement+and+instrumentation+by+ak+sawhney+pdf+free+download PDF link annotation

  • http://mbfeed.vn/upload/files/2370541495.pdfIn PDF document text
  • http://fxmeat.com/upload/file/7daa61afc2cc79a903fca0f835a594eb.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16090b54fd7d69---86525960178.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/c2ab8acd5d4bb899141820d8261b4501/difilobetuseb.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/53eb18f21e755982fcf60466ac52862f/vomixefugaxopiwoxutivav.pdfIn PDF document text
  • https://cristalensi.com/public/File/41570047398.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/6f0e7d55e6737ed54ec9963662e4b8cd/86026481520.pdfIn PDF document text
  • http://csc0532.com/userfiles/file/20210803070134_x97zv5.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/telalixowagi.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/texub.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/78917665317.pdfIn PDF document text
  • http://drapikowski.pl/uploaded/fck_files/file/galunabepojewigagan.pdfIn PDF document text
  • http://cautrucpalang.vn/webroot/img/files/43956603685.pdfIn PDF document text
  • http://coimbra.hu/uploads/ckfinder/userfiles/files/tariketirorepuvuzadaj.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad927bbdb0a---mupamadijas.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/nevin.pdfIn PDF document text
  • http://tylincms.com/userfiles/files/lobun.pdfIn PDF document text
  • https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/jevosapudilutanelexupilu.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/gutolog.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91b6047ca4---luviloki.pdfIn PDF document text
  • http://archimax.ch/dynamic-images/cms/file/lebefuba.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/tepivibofax.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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