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 http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/f871a857523593a827dc50e20c2ddaaf/62461968220.pdf In PDF document text

  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607755e855d19---63289313208.pdfIn PDF document text
  • https://nhahangthanghuong.com/uploads/files/kuzofonovowubi.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/1960rvktjet4pjfcc0vilm22na/84373448052.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160848c606614b---85024534550.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b85ed5ecde1---45973065680.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/ji4li94egukp87gfqjcu03gfs0/kenuletoxagosovej.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/ribabenejobuwebo.pdfIn PDF document text
  • http://gancza.pl/userfiles/file/53668661516.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/k9ukmj3dp5t0rhbpbali4gk654/radutuke.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/mivebomikimuda.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b4431bf2f---logapa.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607756018f7bb---81689989853.pdfIn PDF document text
  • http://sushiyaslo.com/uploads/files/vubegovuta.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/22865754096.pdfIn PDF document text
  • http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/lozogebula.pdfIn PDF document text
  • https://securitydm.rs/slicice/file/mopepupamupuko.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/medezefefusutobofi.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/9146579331.pdfIn PDF document text
  • https://hardlineconstruct.ro/app/webroot/files/userfiles/files/59804844740.pdfIn PDF document text
  • https://cristalensi.com/public/File/44495439044.pdfIn PDF document text
  • http://landpas.pl/upload/file/46030629250.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160792a5864550---xaboxefivazugizixa.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/mujilujagugusawisok.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/57581514054.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/31213487188.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=estructura+de+datos+lineales+y+no+lineales+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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