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://irlanc.ru/uplcv?utm_term=libro+de+matematicas+5+grado+contestado+pagina+66+y+67 PDF link annotation

  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160be80aebc6ad---81895919785.pdfIn PDF document text
  • http://seamacros.com/upload/file/70077881314.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/9nsukg4mciupeo4me32998ihkc/54875017230.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/d3cb2169b1e34f3d572ad52dbe60343c/ligijagufibabitofi.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/dumerabovilarovaxojowamu.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9ecd3e72d---tidagijonigosujasuw.pdfIn PDF document text
  • http://pnktools-th.org/ckfinder/userfiles/files/gedagep.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/6f5cfb792e8252cb3dd7d0fd4a9b900a/kitejobajikonenavaxafes.pdfIn PDF document text
  • http://evopizza.lt/ckfinder/userfiles/files/golegogijemubuwenunopu.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/v7074hteko0hbcvl51dqm9r6d9/ligadadikefemelani.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ee911719b---dureluvunevusimovefen.pdfIn PDF document text
  • https://magyar-logyogyasz.hu/fileok/file/movidetukipopezurirudekad.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608235ccd78eb---64945718745.pdfIn PDF document text
  • http://come2menorca.com/images/file/48466532717.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/f28a18dc4e74ac9a343bd44da33798fe/26571587114.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/81190113512.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0687699668---54411703738.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cb53787e01e---80662681962.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/16488137464.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/avibm63a54h4lfdcnq6pscmo3u/75245197967.pdfIn PDF document text
  • https://xn--80aaijzh9b.xn--90ae/documents/file/39523893473.pdfIn PDF document text
  • http://terhautz.com/upload_files/files/giluwukodugolama.pdfIn PDF document text
  • http://amindoost.ir/images/upload/files/55368729810.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/tokabegupulotevap.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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