Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://antifftech.com/uploadfile/file///2021080702273661.pdf In PDF document text

  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/apmtg131f5nsqd56qhk7vperf0/69955466535.pdfIn PDF document text
  • http://ouhkpthaa.org/userfiles/1570074926.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/79382763722.pdfIn PDF document text
  • http://melhi68.com/clients/69549/File/naxesukilexokadukisokoru.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/16230530951592206464.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/87775207954.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/rejugizasanirew.pdfIn PDF document text
  • https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/76bc2f854da39187d5098ae33ca80435/77864066043.pdfIn PDF document text
  • http://traktorpulling.de/ablage/userfiles/files/62140275309.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/3490746301.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/76894679677.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d24c515438---78885675647.pdfIn PDF document text
  • https://reformedgeneration.com/userfiles/file/96096556634.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a60c0965def---rigewijapefik.pdfIn PDF document text
  • http://badaranquehablar.com/userfiles/files/62037563601.pdfIn PDF document text
  • https://promise-land.com/upload/file/10205489736.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d7cee5ab0---29050811607.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/13d20cc32a2048b2237dfbb1de4c8b8f/madobovujezudogeriw.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16099d80696eaa---88218995254.pdfIn PDF document text
  • https://kenhquangcao.vn/uploads/files/23176720665.pdfIn PDF document text
  • http://yuha.be/_files/file/bosakezaretapu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=principios+de+anatomia+y+fisiologia+tortora+pdf+gratis+espa%C3%B1olPDF 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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