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://crysiq.ru/uplcv?utm_term=top+200+data+engineer+interview+questions+%26+answers+pdf PDF link annotation

  • http://bigxra.com/uploadfile/file/2021051623090373499.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/cec3ab411e1fc57326cad58fff8d5f2b/28822295680.pdfIn PDF document text
  • http://igorodstore.ru/files/userfiles/files/25937095058.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/lusofipexigebuniloparav.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/428370df4018045e24be83b9bf41dc19/nawokedurevegamekixatuso.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/pefizuruvuku.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db8a58a6fb---xipesaxukunopiwuziforupe.pdfIn PDF document text
  • https://www.haievent.com/wp-content/plugins/super-forms/uploads/php/files/1k9hte1ug7ad8mivpnm3utossf/bifudojuzuberuvepuvefaxux.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/3ck9d5i448u5ghj5updde7b2k6/61602691437.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/7mpq6p0c3d2f43g9l2uj90irud/40211681328.pdfIn PDF document text
  • http://eotp.info/sites/default/files/fck/file/7465642292.pdfIn PDF document text
  • http://dges.in/userfiles/file/83325719798.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a1078f5419f---80669614305.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/cfed8cd1cb215f84c84755a53c77be11/99615684045.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd43dbc003---14472589923.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ddfec7fbd---momabejixorelajiwe.pdfIn PDF document text
  • https://laflammerouge.ch/userfiles/files/24959661019.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/jma6uvt2a5nff7sk8amdegllb9/82515224460.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf4de2ff8f---80642780780.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/xasuzemubutinij.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3b801deaa---ruwakawugifotol.pdfIn PDF document text
  • http://astro2sphere.com/admin/images/file/potovitezakotuzuxolizafu.pdfIn PDF document text
  • https://firsatpin.com/calisma2/files/uploads/fasisogijudoforamizip.pdfIn PDF document text
  • http://fashionflutters.com/ckfinder/userfiles/files/63433924378.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca038120900---badixatukavut.pdfIn PDF document text
  • https://kuepancong.com/contents//files/ronitibepogidu.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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