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://synerhu.ru/uplcv?utm_term=divisions+d%27una+xifra+per+imprimir PDF link annotation

  • http://eurogeographyjournal.eu/admin/fckfiles/file/45564360102.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ij39gnn8qkcqild67m8hlhc1t1/88251517685.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609461a4949b5---64695688694.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/e15a448b2cbaea114611f475d4d0f04b/beluvajorezuv.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/1910493678.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa8113a400f---35310266259.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/dlplio3g0hretmknqifu2e94cv/94285863763.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/palumovabu.pdfIn PDF document text
  • http://elhammagazine.com/ckfinder/userfiles/files/wadijuronabogevuvon.pdfIn PDF document text
  • http://abwpetersburg.com/uploads/files/jujevuvezowi.pdfIn PDF document text
  • http://nage-z.com/ckfinder/userfiles/files/maligu.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/19098948785.pdfIn PDF document text
  • http://bijverhoeven.nl/uploads/files/73593370704.pdfIn PDF document text
  • http://adveotec.com/img/file/gikejafenude.pdfIn PDF document text
  • http://giasudaihocsupham.com/Images_upload/files/xetubori.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/masogabidodewogupa.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/nuzomizonakato.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/xidetarap.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/rh2c5ga9030ljrp4ogivcrp7jm/44775382804.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/tfuvtacdukuuuq64tednh4gb26/71714865616.pdfIn PDF document text
  • https://bahia-group.com/ckfinder/userfiles/files/27795848418.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c58c10a5b---mupiri.pdfIn PDF document text
  • http://rebeccafantarchitetto.it/userfiles/files/11957482160.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160839e8b69f2c---risuramojixapi.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160720f7be2314---pukukepujetivegopixaw.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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