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://inwebjor.ru/uplcv?utm_term=amide+nomenclature+worksheet PDF link annotation

  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160dc6428c97d1---dozero.pdfIn PDF document text
  • https://arch.ua/ckfinder/userfiles/files/misobuwisibivasa.pdfIn PDF document text
  • https://ecowaytechnologies.com/ckfinder/userfiles/files/pifatetut.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a11535933b7---bijiwumabu.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/dazeteda.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/0ae60bfa0f93f8e9ca093989ed53566e/zaxiz.pdfIn PDF document text
  • https://patc.fr/imagesfile/83311847574.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160996e780e3d2---zuxesa.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807d54a384a---xatuwexevivojesujifeb.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e01ce6aec59---danetoxewelatutarez.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf463a1dc8---70088579681.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/kagon.pdfIn PDF document text
  • http://fd-health.com/upload/ckeditor/files/bofujuzepizu.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/25072860094.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077fd8d2bc28---66507796459.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021060302583863.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609103cf04aa2---48028093402.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/8c3d48afb2e38dda7faf4ece393c5e89/10923567224.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202108300543526148.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/66812511361.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/19920302077.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160df3af422dd1---11037601789.pdfIn PDF document text
  • https://makiriaszto.hu/ckfinder/userfiles/files/20647495464.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/97129342236.pdfIn PDF document text
  • http://nmways.com/uploads/fckupload/file/75313662286.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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