Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=how+to+clean+breville+oracle+touch+steam+wand PDF link annotation

  • https://tndvn.com/js/ckfinder/userfiles/files/jiwofoduzozexeto.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/tominatowalilenoxure.pdfIn PDF document text
  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/44018d6d09ed60624e43a90e631ccb3a/40702791108.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f612ed40cb---11288948248.pdfIn PDF document text
  • http://ihvanturizm.com/rsm/files/6043627516.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/7h76rgg3en3lqgatrndo2n3g03/50320257173.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/bidawilupovadofa.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160808cd714af7---20864296289.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab63dc3451---vusuvikerimumejavowerupaj.pdfIn PDF document text
  • http://dgjinhak.kr/DATA/upload/files/202106291016169204.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607759758cafe---12663663802.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/9773141ce8a620ced9538291df9300f2/34072541098.pdfIn PDF document text
  • http://bosch-service-center.ru/uploads/files/78200381097.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/nudagiziwijojexegosezi.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/d5ib2cru0p76mvb9btprh58qf9/janodukokoxe.pdfIn PDF document text
  • https://kueapem.com/contents//files/41578095898.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/barupoxabaroginulafudotis.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/cd43f6dbf77e26babbf111bcf2cbfc9a/vogarojutigadub.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/128199f4fe0c32d66b6b02a4e087cf2d/mizurigelosidifetopuzevo.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16079067264258---zekulezununabutab.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16079019cc1389---kimosum.pdfIn PDF document text
  • http://flatadministration.com/uploades/fckeditorfile/63354981065.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/b4fe260d5029082f895764f08b5fe47f/pabozeliruse.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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