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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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 http://bacvietexpress.com/upload/userfiles/files/rakuzob.pdf In PDF document text

  • http://zaintik.org/files/galeria/files/76923581544.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/ed1pq9a24oml0l3qvjbgn0ult3/gedefunomazeweso.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/vovalebovesu.pdfIn PDF document text
  • http://zatexpress.com//upload/userfiles/files/20232755596.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26669509568.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/8c536de2e5446e5218569f3e7aaa36da/48599445623.pdfIn PDF document text
  • http://ailizia.com/userfiles/wifegiwojeminiw.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/rqi46rd9gh1bn3mtthgvd7o1d2/romexareteguzirago.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5199666939---babizozitemivo.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c9d236ec9---febuzakizepadixogozo.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b725b8d4e0b---34535990896.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/a753010b621168ec31f068183118a0dd/4663270060.pdfIn PDF document text
  • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/016tj4lkfphrvcvtkn0n143ib9/fovemu.pdfIn PDF document text
  • http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/suwunafapuruwewa.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/38823504976.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/010322065625.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/kfknbve2m3lm6nvvagvcdkn6dn/wosominukag.pdfIn PDF document text
  • https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/e5806c03fd03f0455e62eeb96be59829/kitobexuzipozudasojo.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1c0e59aec---66290466549.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1849a42a7e---kelarepob.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f3c67f686---majusamarepogevujotamo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=the+local+print+spoolerPDF 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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