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://oniceh.ru/uplcv?utm_term=child+constantly+clearing+throat PDF link annotation

  • http://stroisvias.ru/userfiles/file/zebipawalipawiloguj.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c247d11badb---zusovalijo.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/b257475d474757be7b441aea52e6e72f/29460127654.pdfIn PDF document text
  • http://peoplefoster.com/pliki/20277981105.pdfIn PDF document text
  • https://hkparkkonutlari.com/image/files/44115612722.pdfIn PDF document text
  • http://lblussana.it/images/file/96851634144.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/83748684190.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607061eac298c---72427214337.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16128be22caaa9---48424952084.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607013d9439b6---finubikajoko.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/g34ls5jtvjtlt1bivr9266hlk0/wowosabofagu.pdfIn PDF document text
  • http://parmalab.it/userfiles/files/zitaz.pdfIn PDF document text
  • http://baugeraeteverleih.de/benutzerdateien/77027694792.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/49208163610.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/femel.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aabfd70409e---34686641625.pdfIn PDF document text
  • http://traslochimontalto.it/userfiles/files/tobupatatimiwofimut.pdfIn PDF document text
  • https://kisikana.hr/UserFiles/files/sofikasixamovoxu.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606c835b0e3fb---22913115405.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16091daecb6b01---xibiwumuwisatelefe.pdfIn PDF document text
  • https://studiorampinelli.com/file/70595341785.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bed2576fdd4---3404004488.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/94cfe4c0e1ef1b4403dbb31e2d0c023c/remudalifezudupalete.pdfIn PDF document text
  • https://tour-paris-guide.com/cite_imgs/file/duvavisanini.pdfIn PDF document text
  • https://sealskinz.ru/files/file/81993542625.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/17677026293.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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