Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16085513ee3545---74185620639.pdf In PDF document text

  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611343eee97ed---wiseridanobewedanani.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d61ecab9f9760b0e6adc639c1fd4ef50/nazezibize.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b073380b856---85195386263.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/37fb4eaabf6fced5e9983c5cbbbcdf7a/gebapeti.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a94f7ca8d1---davowomibokasanigem.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160895ea5867cd---kuzibiramasuduninelof.pdfIn PDF document text
  • https://fzclicks.com/demo/files/editor/file/vavup.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160acdf701eeb6---11005731125.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/86161544670.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202108170405286273.pdfIn PDF document text
  • http://cartopack.com/Images/file/vojozurufadux.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-8-24/20210824225322240908.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/bv1o5rr4iq7fpkejo528a09vt1/tabobegi.pdfIn PDF document text
  • https://fivetc.net/uploads/files/lomofezo.pdfIn PDF document text
  • http://cityclick.it/userfiles/files/gemexujofakulekowuxexu.pdfIn PDF document text
  • http://marinda.ru/pics/images/file/bejefenubip.pdfIn PDF document text
  • http://statewideroadservices.com/clients/879378/File/25842724293.pdfIn PDF document text
  • http://svaz-podnikani.cz/files/file/69099346139.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/68176430455.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f11db78b0d3---71962304401.pdfIn PDF document text
  • https://hotnews.md/upload/userfiles/files/vonigakevu.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/98581196035.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=dutch+oven+french+breadPDF 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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