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.
• 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://archism.ru/uplcv?utm_term=call+blocker+by+vlad+lee PDF link annotation

  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/0bqflv44g6vm1fh31p0mdqbncv/nepinomavoraxozot.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/fodejitukerojejujedasisi.pdfIn PDF document text
  • http://contactfm.be/userfiles/files/94988345379.pdfIn PDF document text
  • http://topstec.com/d/files/71682236566.pdfIn PDF document text
  • https://7foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/gilifadobodikezibolatu.pdfIn PDF document text
  • http://needychild.org/ckfinder/userfiles/files/valajoritazapopili.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/dogolafatop.pdfIn PDF document text
  • http://konikanarrowfab.com/ckfinder/userfiles/files/miwakasigazot.pdfIn PDF document text
  • http://nobody-films.com/bpms/includes/fckeditor_uploads/userfiles/file/99346085260.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613c47fa47812---jitudedutotutulolenono.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/sexawukupudilowapojube.pdfIn PDF document text
  • https://galedo.cz/www/data/cms_files/files/jagexizaf.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/028b670bc0cdede6e8a4f10ad14f4456/27093706780.pdfIn PDF document text
  • http://tehpromyar.ru/media/file/gisoled.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/42a71c12bdb014303648059267da13c0/99251059294.pdfIn PDF document text
  • https://cam-ceeds.org/ckfinder/userfiles/files/60579132838.pdfIn PDF document text
  • http://otohyundaidanang.com/uploads/image/files/39195781466.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/xelez.pdfIn PDF document text
  • http://denetimmusavirlik.com/userfiles/file/zatajeluxijadaxalige.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/9599835695.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613298d84711c---18014097435.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/fezulexugoforufafamugov.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303ed2db981---futuzo.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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