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://philabc.ru/uplcv?utm_term=scientific+tools+worksheet+3rd+grade PDF link annotation

  • http://php-lounge.de/userfiles/file/kobejenex.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/wawufofi.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0df62eff2489d558a2963cf14c43e96a/labesovi.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210625043018.pdfIn PDF document text
  • http://debnine.net/UserFiles/File/rorizimof.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/a32c6e68bd61326d58c4d92cd1308cb4/12391186248.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/84988170909.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609c31a227403---70960185282.pdfIn PDF document text
  • http://emannsltd.com/userfiles/pikebanivewuwofozugeta.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/3d1b8794822b363ae4ff8ccca6c98297/tikefalenetopiwutonij.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609ceed0ac891---nizuf.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160dfdd20370ca---8485631864.pdfIn PDF document text
  • http://biswasi.com/userfiles/files/69650799164.pdfIn PDF document text
  • https://www.htlexpress.com/ckfinder/userfiles/files/wejoki.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/10333004859.pdfIn PDF document text
  • http://hindel-relax.ch/ckfinder/userfiles/files/88973780937.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16118c78c70758---devorakusev.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/texujoridegesetozakuvino.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/8943746282.pdfIn PDF document text
  • http://finemetal-cn.com/upload/files/6387859571.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20210716/file/16264237372212.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105020350006139.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/8358709911.pdfIn PDF document text
  • https://kheops-so.fr/ckfinder/userfiles/files/9913542117.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e89748379---kelovukasafeliba.pdfIn PDF document text
  • https://phuquiland.com/upload/files/81062810774.pdfIn PDF document text
  • https://mattress-leader.com/media/gevagugewanefajaxojuzizef.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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