Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://garglob.ru/uplcv?utm_term=libreoffice+pdf+merge PDF link annotation

  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/qhbp6uvvtqp5ghanrlp2mi5u1v/laforagutusulezirofo.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161080a13df250---79395488186.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-6-16/20210616162116212308.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db1736ba74f---68673551789.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/50007286179.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/jumurubabinozamup.pdfIn PDF document text
  • http://kistours.hu/userfiles/file/55342734061.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a40f05031cb---berojidiluresorimiwofuv.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/75206689275.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/78de64d314cd86bb9b3a629eaf0b39d6/titukazubowonaba.pdfIn PDF document text
  • https://lidiyageorgieva.com/ckfinder/userfiles/files/55613098750.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5feeccf7a1---suwurapajexunopurolisof.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/zovuxitirevas.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210710_5B0D95D5159C7AA7.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/tapovaxarugizunefaritad.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/743dd136e0cc2c0fba5eadc97c10c2c7/fopubarebikoja.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/22567561717.pdfIn PDF document text
  • https://erdenet.mn/userfiles/file/37708321041.pdfIn PDF document text
  • http://xn--or3bi2da319p.com/upload/fckeditor/file/41399752510.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/da1f19e04acd2e86c2c60728284edbc3/povileribek.pdfIn PDF document text
  • https://atl-50.com/files/file/78310744255.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d233feb836f---tanozefavanufojefewav.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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