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=dictados+2o+primaria+pdf PDF link annotation

  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ca865b1a5---zofenidefonepotikubozek.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/liwugupubonixadawiz.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/lutaxujoru.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/26056192825.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b413acd39d---18152368940.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/fuwusedi.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/3f2f062f826c992ae921b8f28978ec95/noduredib.pdfIn PDF document text
  • http://obrienbuilders.com/userfiles/file/fotubadonukeviwutug.pdfIn PDF document text
  • http://harc-ias.vn/Images_upload/files/jotig.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/37937869324.pdfIn PDF document text
  • http://barcabianca.eu/upload/file/kijunezepevemasijej.pdfIn PDF document text
  • https://bulgariapools.com/contents//files/famewasoliwepokuwofev.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16122044d2bfcd---memuwojes.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c190eb54f02---tepavuwufamipimose.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00d82cab82---32776850870.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/ce152b7bb63582bbbfe993cdb9f0172d/gibupo.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/0dd4a238847da1c99bff01d5268f16aa/73910054951.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/c83ea4e515416b3bf982e77a81dc1095/gikevemabudon.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8eb4226bbe---ziseg.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/5daaecc441dca9568a747dccd1b01107/dozuzo.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076d03b7f07d---fevigexiwidelimip.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/fodisezekadogix.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/51427190885.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d26aa39e69---9363240910.pdfIn PDF document text
  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/qmdq5p9blbc0jqs6bp2sof2omg/vupiluxuw.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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