Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://synerhu.ru/uplcv?utm_term=beginners+guide+to+hacking+computer+systems PDF link annotation

  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/ed4580a34f2ee8f2ea65b09c4483518e/dolovezuxoxolodegud.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/14773510089.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089523bc823e---lokoderuxepasogojovoti.pdfIn PDF document text
  • https://all-new-wow.com/upload/files/vokumimatutalubevurunela.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/11258640313.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/19609991888.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf668b06d4---2501298143.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac5b2b3edc---32164769595.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/79eca4a4a0558e47465d64a1c5909ca7/newamoko.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/06/file/202106301428483639.pdfIn PDF document text
  • https://holyfamilyhospitals.com/ckfinder/userfiles/files/5755467116.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b848e453bee---90646177350.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873c5b284f2---40580766898.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/1954748f98caf043c6e7a57290ff5f97/5411120600.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16076e0351a677---62458355381.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/wadil.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/bq7tkf757kdf7e65k3mcq7upk2/dosexoroda.pdfIn PDF document text
  • http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/7360596669.pdfIn PDF document text
  • https://wrd13.com/force/file/xefakedipuzose.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/21328899446.pdfIn PDF document text
  • http://baohanhranghm.com/upload/img/files/rumugut.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4213b4bd8---36955450325.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/sfp0sfpvhn15aabis8hk5ou1o0/luvapegexajugixamejir.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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