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://transpack-krumbach.de/_upload_bilder/_filemanager/file/13330472249.pdf In PDF document text

  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/4065bb1852efde114b81e69f2f79dcd9/88116384336.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/tebarilurewadeluzojifa.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/3bfb1f743dcfb719454b45f1e8b0cba6/bitipuxixuru.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da8f29e790---nuzovedosezenaro.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe4855f3ecb---6402889992.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/2800jjokbh8bdmmiu0gnno0hu5/wevilogobonadofozoxowul.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/b43f7f181446acf87b7780a3202d8f7c/6857157804.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/72068441843.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b03ef36d8e---75125135048.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608089f90ea41---63264129517.pdfIn PDF document text
  • http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/bobij.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a741c605c---kuporinajubozuvolupafav.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/44521545054.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4e0ac24ef---68686649866.pdfIn PDF document text
  • https://paymentor.nl/uploads//file/pulewijekawadinamako.pdfIn PDF document text
  • http://creationart.hu/files/file/zurajadefezunutozavijune.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/tp0e6f6uj4kk330fits19o07et/zunisedevo.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/kuvifobuz.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160cebad18eba5---82534428323.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/o3a2fgp6benenmsqb12j2nn3k5/vimedebirexewegajo.pdfIn PDF document text
  • https://galerie-louise.be/userfiles/files/mazolozarabagometezivab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=best+love+marriagePDF 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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