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 http://faw-asia.com/image/upload/files/80048316297.pdf In PDF document text

  • http://daiichilogistics.com/uploads/news_file/28992601404.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/84584097863.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/zetidisobikodelupotidil.pdfIn PDF document text
  • https://skywaytravelandholidays.com/ckfinder/userfiles/files/66759613744.pdfIn PDF document text
  • http://travellerisland.com/files/50704599905.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/926a67lc185k543u97j484gtp3/40670187155.pdfIn PDF document text
  • https://laptoptranganh.com/data/dulieu/files/84377515220.pdfIn PDF document text
  • https://snowcat.pl/admin/ckfinder/userfiles/files/92905239165.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/suwetojose.pdfIn PDF document text
  • http://uralinteh.com/uploads/files/68781405940.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/rasatexutadal.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-9-10/20210910084621158397.pdfIn PDF document text
  • https://brtim.com/uploads/wysiwyg/files/85594676834.pdfIn PDF document text
  • http://etkenkalip.com/files/67906682884.pdfIn PDF document text
  • http://inwallendorf.de/userfiles/file/99413921231.pdfIn PDF document text
  • https://ngonluathan.vn/images/ckeditor/files/11037405884.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/76224922716.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/bd286c7cf12af2c1bf80324c722373e2/29562497969.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ac8d6ed48---wegotivijitijoweb.pdfIn PDF document text
  • https://tannhatviet.vn/upload/files/bafulazelufudam.pdfIn PDF document text
  • http://goang-hann.com/uploads/files/202109042120412105.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613b01f489015---56777375154.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/0800850b61b9f59ec80076dfa63ea9ec/muripabokizof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=impossible+quiz+answer+26PDF 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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