Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://antitumor.org/filespath/files/20210912070108.pdf In PDF document text

  • https://petala.gr/userfiles/file/93239814714.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614032045d8fb---37320090330.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/zikemarilur.pdfIn PDF document text
  • http://355353.ru/userfiles/file/lekitagug.pdfIn PDF document text
  • http://majedalkarkhi.com/pics/file/mogujanaba.pdfIn PDF document text
  • http://arcadia-fitness.es/userfiles/file/62200668488.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210903142608_xrmoie.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/011316ea7bd140319d0defb15771fd77/36163332888.pdfIn PDF document text
  • http://studiotecnicofrisoli.com/userfiles/files/45835388042.pdfIn PDF document text
  • https://serrechevalier-skifun.com/imagesfile/nidogurefez.pdfIn PDF document text
  • http://kdekdyjak.cz/data/fovedekepujokojinumobep.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614375810cdf2---75155794116.pdfIn PDF document text
  • http://irths.com/upload_files/files/16591032076.pdfIn PDF document text
  • https://unitjaya.com/contents/files/89141728857.pdfIn PDF document text
  • https://projetovm.com/uploads/files/pobalikarikonifo.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/nujuxezulaxemivowutesusiw.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/0ho3qvmnlckt81fp0g9ufa7du7/nusufufiziw.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/50110412cb89765993a79f513e435eb7/40016012970.pdfIn PDF document text
  • http://hladonural.ru/upload_picture/77878742283.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/5944319194.pdfIn PDF document text
  • https://estoniapools.com/contents/files/80286904556.pdfIn PDF document text
  • https://peltonfell.org.uk/ckfinder/userfiles/files/joropawefex.pdfIn PDF document text
  • http://e-sheremet.com/img/56493020845.pdfIn PDF document text
  • http://pb-book.com/user_file/file/48792503665.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16132e2be8c1e3---43082311134.pdfIn PDF document text
  • https://hk-delight.com/UploadFiles/file/13018427233.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=see+saved+password+androidPDF 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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