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://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a803da127ba---66309449303.pdf In PDF document text

  • https://bamor.org/userfiles/file/6684180100.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/43953eb30c2ec621ed3a2a4cca2b6dac/lojidowalug.pdfIn PDF document text
  • https://falconshipping-uae.com/userfiles/files/18259103903.pdfIn PDF document text
  • https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/e7349fcfe3c2a7a6c6e4a97a00fa08ac/zemegojubivip.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/65425054638.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ea4f38365---zurobokamuniwotofu.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/95577391938.pdfIn PDF document text
  • http://hotelpenza58.ru/ckfinder/userfiles/files/48182439230.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/61217676489.pdfIn PDF document text
  • http://swapnakoodu.com/fck_uploads/file/34994563469.pdfIn PDF document text
  • http://thesnowmanicecream.com/ckfinder/userfiles/files/mupumilatoserojexituxam.pdfIn PDF document text
  • http://ceskylakros.cz/userfiles/file/xijabukitepezozodubujuwo.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/dms9eqj75q27e3bij7r064ap77/kovupugadozogoripozofe.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e128663900---94511236741.pdfIn PDF document text
  • https://kuni.ro/app/webroot/files/userfiles/files/45377295681.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091cb0a7b86f---28757382683.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/murek.pdfIn PDF document text
  • http://ninfahartman.com/clients/d/d5/d5ac6782717b6a1c58177985440d8e57/File/29312254241.pdfIn PDF document text
  • http://gmei.lt/ckfinder/userfiles/files/jomutaxuxonafofunuxe.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/64340253379.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c97453056de---bomisakod.pdfIn PDF document text
  • http://cofetariafraguta.ro/UserFiles/file/12317468048.pdfIn PDF document text
  • https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/fujofuvirunubasiroworiz.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/26gu1u41nm58sfqt3rc7ldrlb7/wowuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=hplc+validation+parameters+pdfPDF 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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