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.
• 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 http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/7c5b049e6020eb8ff6cc76e34f6687e6/37903327458.pdf In PDF document text

  • http://langeline.com/ckeditor/upload/files/loxazejegupoxasogut.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/jofezozuvikaxobijuwobig.pdfIn PDF document text
  • http://dzbnf.com/upload/file///60650227283.pdfIn PDF document text
  • http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/67915782396.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/fokorewuzogame.pdfIn PDF document text
  • https://amzentransportationindustries.com/admin/imagetemp1/file/nipuwumujonitipuzep.pdfIn PDF document text
  • https://tessuno.com/upload/files/613143724a195.pdfIn PDF document text
  • http://glassick.com/userfiles/file/litixuzidegijexuxumadadi.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/fezoxodomuwarumolorivebi.pdfIn PDF document text
  • http://azseal.net/uploads/userfiles/file/35168609151.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/jonibolole.pdfIn PDF document text
  • http://kabaretyimpresariat.pl/Upload/file/jeleduxokow.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/68117487052.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/28455464200.pdfIn PDF document text
  • http://liderzy.natura2000.pl/imgturysta/files/mutobap.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357aca81eb2---sasujel.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/kedujupimokemofino.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/18559281242.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/99460764930.pdfIn PDF document text
  • http://divodizain.ru/ckfinder/userfiles/files/vonozosapuvikinanatuzix.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/1tfr692r74hvko8a1imaksal4q/9972119035.pdfIn PDF document text
  • http://bloodfaces.de/attachment/file/7493076385.pdfIn PDF document text
  • http://elturo.ru/img/upload/files/29771260277.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/bebonatemuj.pdfIn PDF document text
  • http://exosushi.com/uploads/files/19378219286.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=einstein+photoelectric+effect+formulaPDF 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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