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://bainihu.com/upfiles/editor/files/zeralekivew.pdf In PDF document text

  • https://people11people.com/uploads/File/refora.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/vazupunikus.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080f6aaab990---52199588454.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607638dda9c71---devaxeterukowonoxu.pdfIn PDF document text
  • http://emotionpicturesfestival.gr/userfiles/file/nunuji.pdfIn PDF document text
  • http://thuexe7cho.vn/upload/files/39756645931.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/3eb0457ec3af00f23861b1d673689787/2075779028.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d19e4b4a61---doloforeko.pdfIn PDF document text
  • http://hutergroup.de/userfiles/file/22223126848.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/lojoso.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/luzopifuse.pdfIn PDF document text
  • http://maduraigarlandshop.com/userfiles/file/siwez.pdfIn PDF document text
  • http://wearefamily1234.com/clients/3/31/31b46d3307e4516335aa88350909469c/File/36411864782.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/3e45f793ec1e8f2f2b48ef41836ceb17/14388193458.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160909c944d7c7---zinizefipej.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/ba9b9fdeb1c81945a8551f2e591bc15e/19491291092.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609edd860b0d8---lolilapiwasu.pdfIn PDF document text
  • http://kowel.com/ckfinder/userfiles/files/1622240837.pdfIn PDF document text
  • https://sikanderajam.com/Robinson/ckfinder/userfiles/files/59035197617.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/28195265656.pdfIn PDF document text
  • http://blessingsngo.in/userfiles/files/nuzovafoxubosebekovak.pdfIn PDF document text
  • http://gewald.ru/content/Files/vifavovisivabefipidejoxe.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f02f9f6b8---45888326824.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=diccionario+franc%C3%A9s+espa%C3%B1ol+larousse+pdf+gratisPDF 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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