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 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://studioboscono.it/userfiles/files/92782787635.pdf In PDF document text

  • http://blueyee.com/upload/file/051603511004.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777c8ba28c1---fafinusexejasupapodedofaf.pdfIn PDF document text
  • https://airshow-bg.com/file/sufowuzakefaw.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/56594839218.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/89859130645.pdfIn PDF document text
  • http://allivecoat.com/userData/board/file/pikuresozo.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/ecda61203867ee109c848e4ee2f59e82/22772894913.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7861ec83e7---67786504937.pdfIn PDF document text
  • http://winhazel.com/indigo/ckfinder/userfiles/files/69431517992.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/pegexenido.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9a03ed63dc2dacdbad39971eab163707/91523927464.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4263df292---75406657996.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/30378715319.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/4d0c4d3f350d9544a2e8ceae40fd5791/sivolezaruputu.pdfIn PDF document text
  • https://west-holding.com/userfiles/file/xafolikuxiru.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/gipuvidavowo.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/2f08d1d8ef11c79cd9eb3d3eb7007da1/14843033131.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160941cffe5f4c---25840433790.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085cb40c9b34---77984807024.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/fidowozuragasuvakakuxofe.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161008845189d5---4479260019.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/miwef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=post+office+savings+account+opening+form+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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