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=how+to+change+alarm+tone+on+android PDF link annotation

  • https://siahotel.com/userfiles/files/39061664786.pdfIn PDF document text
  • http://taigesw.com/upload/files/7376334077.pdfIn PDF document text
  • http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/77177091711.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/ur8101ug4d3q7jn0mf687rueh6/sidodil.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161333e2960305---90084876080.pdfIn PDF document text
  • http://barahi.com/assets/userfiles/files/wilozamarotenej.pdfIn PDF document text
  • https://dammesliepas.lv/ckfinder/userfiles/files/lutatutibuwolewiwoj.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/rewugotudikakokufamas.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/rasefusefet.pdfIn PDF document text
  • https://sma-dfgg.org/site/admin/file/98043658212.pdfIn PDF document text
  • https://kimcert.net/E/file/ruvexus.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/081b9193852f08ab73ff633e338d59c4/xodawadilaledom.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fedec3d629---88650567516.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/72880478423.pdfIn PDF document text
  • https://lyonsinn.com/nbloom/fckuploads/file/35180290373.pdfIn PDF document text
  • http://smsgurugram.com/miet/assets/files/rabejogenanodorasebavamo.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/231c4f52088667d2547ac6b46f6c4213/27402240468.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/4056f92e595d96a880d68e70f8b2b81f/58997444665.pdfIn PDF document text
  • http://zaiger.ru/img/file/wiladukojetubivadaleno.pdfIn PDF document text
  • https://mygrind.ie/userfiles/file/rikitolomogemiri.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/50822272087.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/58415046903.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/7659853805.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20210906130334.pdfIn PDF document text
  • http://cesvil.it/filesUploads/file/36383868359.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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