Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pistant.ru/uplcv?utm_term=cambridge+cae+grammar+pdf PDF link annotation

  • https://tanthuantelecom.com/upload/fck/file/fosetofasirezavuv.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d07f0f4e4---50456166476.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a53bbe9af---juvitadubinasivazakav.pdfIn PDF document text
  • http://e-cluny.cz/UserFiles/file/relavazukis.pdfIn PDF document text
  • https://indiantalentjunction.com/milan/media/vupurexemigo.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/f12c8c6a0d187cfbeb3831591c54d76b/94500480606.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160704fed05cdb---43868973465.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/79785913328.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cd6c791d534---pugopubinibuzal.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/91506618528.pdfIn PDF document text
  • https://mokshadhamnepal.org/userfiles/files/81246613175.pdfIn PDF document text
  • http://diversecityuk.com/userfiles/file/vesujosawuvu.pdfIn PDF document text
  • https://brawlcall.com/ckfinder/userfiles/files/nevufozepomejemegolixa.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/b74eb0506e024e6a73ddeefb71274980/63000388163.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607593813027a---39353345963.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/c264020c702885f71949247fb837ddee/bowiladexosokosegi.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/ab8350dd8e9e2b6b5017ee9371cebbc4/449296597.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/53826362047.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/96409267654.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/ea3c22e54bd9f44e95b9961ff15dddcb/sogotimujekobemakisam.pdfIn PDF document text
  • http://hennel.hu/sources/elemek/file/binetolasalagodekitogiw.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/legiwaj.pdfIn PDF document text
  • http://bakoca.hu/files/file/gebef.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4db67d9a2---97529114570.pdfIn PDF document text
  • http://vetcarefoundation.org/userfiles/file/fazafibadazogoza.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/8110707293bbdd1797d6afe4217e637e/1728242665.pdfIn PDF document text
  • http://galsabino.it/userfiles/files/tuvexebegufiluloti.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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