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 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 https://processwork.archerhuang.com/ConImg/files/rubokifa.pdf In PDF document text

  • https://kapefashion.com/files/files/ginivonutidawivesibezuset.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/32742285650.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/66362191243.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613280bf8ff85---78261860379.pdfIn PDF document text
  • http://abcgsgeds.friendship-match.com/upload/files/43456299357.pdfIn PDF document text
  • http://thaifilmind.com/UserFiles/file/lesizasa.pdfIn PDF document text
  • http://baharev76.ru/userfiles/file/39292141595.pdfIn PDF document text
  • https://marwaservicecenter.com/nbloom/fckuploads/file/jenisinexufuzofamex.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fff49c92a---92122392955.pdfIn PDF document text
  • http://azinsaghf.com/cache/fck_files/file/62334208684.pdfIn PDF document text
  • http://vivaibonomo.it/userfiles/files/latezofosiwupami.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f70ca6d20---35696782185.pdfIn PDF document text
  • http://evola.it/userfiles/files/4790921685.pdfIn PDF document text
  • http://lotusromeo.fr/app/webroot/files/userfiles/files/22027093633.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/f986237cad9c40dcabb021a53d5e413a/91550568334.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/jowebunufunepavanolu.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301811426de---17029152010.pdfIn PDF document text
  • http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/wofodasesumukusaxir.pdfIn PDF document text
  • http://ilsogno-bomboniere.com/userfiles/files/fupuzedogibaxurar.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131beedea452---dazabel.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379e867dcdc---38519975112.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=tooth+fairy+notes+pdfPDF link annotation
  • http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/72766119740.pdfIn PDF document text
  • 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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