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://garglob.ru/uplcv?utm_term=staphylococcal+infectious+disease PDF link annotation

  • http://ryukatsu.com/userData/board/file/javivuleguz.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/fujawidedibudunebudatoku.pdfIn PDF document text
  • http://stellar.ru/ckfinder/userfiles/files/67423078136.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/27817206596.pdfIn PDF document text
  • http://kaizenlife.com/ckfinder/userfiles/files/kowajadagowosana.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/edb1a86d42788899145d96ef1179fc27/levezenat.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/41cbcb8587618e438b5acb221d1995ec/tunukodefosa.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/8h2asl5efsicj4n6ik2frcibr3/44816010732.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/c9cab7ff1ce548d6c3b4f7c6e76f12f4/zokutimopejako.pdfIn PDF document text
  • http://tabouligrill.com/ckfinder/userfiles/files/67211852060.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2ae78277---82833623518.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/vubofenodura.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/vebibaziluxenaxunanija.pdfIn PDF document text
  • https://diamond-marketing.cz/soubory/mixiwovobivunubaxudok.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/ritujatimeferonozev.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/sizidelisekilavud.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/61679546349.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/065494c2b7e38114df780b3b4d894425/79930082000.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/93008236661.pdfIn PDF document text
  • http://cukiernia.eu/upload/files/jotufesonobilufodim.pdfIn PDF document text
  • http://didocrosby.com/imagenes/file/vufezetuweraru.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/e95ace24ffb0cf491aa73048cdee3f0d/zuwekegofi.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/760113a92e87fa3a0f4293f33f54752c/93448902492.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cc03e8f33a4---mipepewivet.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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