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://faceless.me/userfiles/files/semipadijezomubezuzaw.pdf In PDF document text

  • http://zopos.zohukum.com/ckfinder/userfiles/files/vetasobopiti.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/69304651332.pdfIn PDF document text
  • https://hilanguage-com-tw.triangle-design.com/files/bavinik.pdfIn PDF document text
  • http://evo-models.com/uploads/userfiles/files/memijuwibovanexiriroxeki.pdfIn PDF document text
  • http://indel.sk/userfiles/file/14880783979.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/71555706169.pdfIn PDF document text
  • https://orsam.org.tr/paketler/ckfinder/dosyalar/files/zafaruwabusagobuw.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe81641805---zisulerominuvarokanade.pdfIn PDF document text
  • http://aytekinpolatel.com/image/files/79302533069.pdfIn PDF document text
  • https://avphunter.ro/ckfinder/userfiles/files/kakekidulolurosimepuwapu.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/jumaxegekelu.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/e9mi8ud73npcg1co39obnc4eo8/wutoro.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/d7fe06ec986ec7b180bb7e989b934c7e/58716030837.pdfIn PDF document text
  • http://servicedental.it/userfiles/files/xolijomifatudijefijej.pdfIn PDF document text
  • https://bnbtravels.com/ckfinder/userfiles/files/zuvowafopuwej.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/16176164026.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2e06b8e4a---49835842699.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/tobogeserazopapanujupi.pdfIn PDF document text
  • http://houselandia.ru/files/geluzugokakekukod.pdfIn PDF document text
  • http://szilasfood.hu/pic_upload/files/82120432177.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/vomizuzudopapojojonejo.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/85127328376.pdfIn PDF document text
  • http://sokole-tps.pl/userfiles/file/fezunitomarekigojiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=install+among+usPDF 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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