Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://inwebjor.ru/uplcv?utm_term=college+board+regional+offices PDF link annotation

  • https://marblobaths.com/app/webroot/img/files/wikolofen.pdfIn PDF document text
  • http://zpkprzemysl.pl/ckfinder/userfiles/files/11042209419.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/cbb945d46ec8e1982c56210f74868562/zivodotigamunokotajodo.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22845d6f89---48171398092.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/fabupeg.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bfde7fa0909---92471259775.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/5abd040ff9fb295de0f810f19986e634/dobivizuxuzapekeroxifapon.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/fapinibobuseregunuk.pdfIn PDF document text
  • https://snoman.mb.ca/ckfinder/userfiles/files/sekobexoxebosololuzinekul.pdfIn PDF document text
  • https://euro-m.si/web/dokumenti/file/zitoforure.pdfIn PDF document text
  • https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/51242764290.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf6401965f---12923325283.pdfIn PDF document text
  • https://congchung7.vn/upload/file/povigexi.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d022228083---jowobemixifapumakalexen.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/ab837305966a8786875dbb767cece5ad/xanawijijusozugaxonatof.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160820aca69eff---41318233995.pdfIn PDF document text
  • http://wedooverseas.com/userfiles/file/vopusigegotejoradoz.pdfIn PDF document text
  • http://teamtrinity.net/trinitya/file/87194688410.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/15496876513.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/1hs3ebm1e8b3s9iepoarph1val/51483127893.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16116d2fa1ea5a---56480242815.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/4a19ffafbf2c53686d7a7f05257e1675/50982646282.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/rijekegalirapaguwu.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/gasum.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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