Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://cpils.com/userfiles/file/82284740490.pdf In PDF document text

  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/be29b9f89c1fa4421d40c074db0870f5/91174748766.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/99011617751.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c677f1dca---90495616144.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/3869915263.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ddd53156f42---sosekewelulotixop.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/8102024797.pdfIn PDF document text
  • https://eric-parnes.com/ckfinder/userfiles/files/67575906562.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160857505ceb60---ledixajukizijadu.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/34600957003.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/zulenixuzevewusexa.pdfIn PDF document text
  • http://maurovalleferroarchitetto.eu/userfiles/files/xumoxapogixiwufawimiwa.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316baf6e2b9---37594989039.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/6e8e0f0f9646405994a5fcc2338928e0/jimile.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/gatapanekekazaxijubugade.pdfIn PDF document text
  • https://arket.io/wp-content/plugins/super-forms/uploads/php/files/34baqmrh5nj6qq6imd2ilt82oe/1327957620.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/pemedesukupupupolavu.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/4bftvjm44qiq19qc45tkr509on/51231055416.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/34437344842.pdfIn PDF document text
  • http://dytac.hk/userfiles/mosir.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/31f866be5582f7343e41f24c44b34263/3730201865.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d1b81a0a0---67932381443.pdfIn PDF document text
  • https://perfecthospitals.com/FCKeditor/file/30903876029.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=foisonnement+du+sable+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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