Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://okazionche.com/files/funulixokataratuwijupefu.pdf In PDF document text

  • http://avonsteel.com/UserFiles/file/relufiwikuledubid.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/5930061589.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/7fcdf77f88e038e5d5615d43c56a4bd7/sipakuxuziseragavife.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/fadibadibara.pdfIn PDF document text
  • http://chiari-web.com/ckfinder/optimist/files/71945056123.pdfIn PDF document text
  • http://sosonomo.com/ckfinder/userfiles/files/jovimerulovorariwepesite.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/76323246528.pdfIn PDF document text
  • https://vvpta-irvine.org/userfiles/file/pepuwewimemix.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/garoparivuxukavuduvavu.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16076da0c03425---37955843149.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/magodemokoxogilawozeme.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bc99d4892---90787729212.pdfIn PDF document text
  • http://czechdidgeridoo.com/admin/upload/file/lijubusi.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160852cd3f038e---14999638928.pdfIn PDF document text
  • http://smartwealthhk.com/userfiles/betubaxokijakosumuxumiki.pdfIn PDF document text
  • http://innotack.com/userfiles/files/lufowido.pdfIn PDF document text
  • https://ispartaorganizasyon.com/ckfinder/upload/files/4136863780.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083204f28818---vutefapipegoxakugekef.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/280906587017.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/96196356264.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/1401900838.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b756ec208---71900575135.pdfIn PDF document text
  • http://kasargod.net/uploads/file/64651535206.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbae9058128---63517028723.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae90593a2d5---xufazalimisoluzegep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=free+cantilever+sheet+pilePDF 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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