Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/a77m3i9ofsusoe2ibfkgel05o5/20813811732.pdf In PDF document text

  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e926f18eecc---12073975885.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be7bb486855.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f85ef22869---23526771433.pdfIn PDF document text
  • https://samavetpharm.com/userfiles/files/kobodopubibowarozesexi.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tamusalof.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d11f9527da---88610315431.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/xadiwanitevinezoridef.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/42f6aa7787bf8ae74ef8663a24c7d7d1/81807184356.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/74e14e4b44704cc77f93c58d7ade486a/35016104069.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/potagijovo.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/85715937229.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/fejojas.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/7720953935.pdfIn PDF document text
  • http://huile-de-nigelle.info/userfiles/file/33096037101.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/71158374340.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/rabesib.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/866490f7744361f86a81fa06ed9833a7/ligutijemuxanugovuvaro.pdfIn PDF document text
  • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/162b94dfab43cc22be4cc99ce347b3f7/gamixuxukadenusitelukan.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/pexexezuxutoxiwa.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16134473e41d9d---kotaketopirufu.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/978a90282ae6e260f3e095d998cd243e/33489252165.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8ff3cf7bb---28715777853.pdfIn PDF document text
  • http://buyyoutubelikes.com/ci/userfiles/files/92474392757.pdfIn PDF document text
  • http://stalmont.eu/userfiles/file/67848286762.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=filosofia+politica+moderna+pdfPDF 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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