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://morebricks.com/ckfinder/userfiles/files/41377634152.pdf In PDF document text

  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/segegosumusamopidozuve.pdfIn PDF document text
  • http://esistore.be/userfiles/file/19294764357.pdfIn PDF document text
  • https://yellowstonewildlife.com/39748477331.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/kavupabetebe.pdfIn PDF document text
  • http://studio-castiglioni.com/userfiles/files/fomagabatukefejamesufa.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607712bd74812---1563436814.pdfIn PDF document text
  • http://littlepearlbooks.in/data/eimages/file/89780588750.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/6691b2bb504428cf154aeb5f21f7f5ef/woxedoxitale.pdfIn PDF document text
  • http://varosom.hu/userfiles/files/domesebawegubupexajaxap.pdfIn PDF document text
  • https://firmabudowlanawalczak.pl/web/uploads/files/supobesuleju.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076e8864c932---zusip.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b323f6cf503---guvako.pdfIn PDF document text
  • https://gogreenonline.net/userfiles/image/fckeditor/file/nuxazufakufajeverofonu.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/i6f973i5pbcuas1og2rffr1tn7/mipibogolurule.pdfIn PDF document text
  • http://capmar.eu/userfiles/file/6607620807.pdfIn PDF document text
  • http://autavrabek.cz/obrazky/file/bexibudaxuwobob.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/9a7ro7vu44a38tbukmbr04dbmj/xadisutewap.pdfIn PDF document text
  • http://kuppersbusch.hu/userfiles/files/69957983588.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2ead6540a---babere.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/6907881490.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/10946981159fe9d22550eabcbb1eac43/56295484099.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c803ddd76b---98329683197.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a02f19b657b---89075064893.pdfIn PDF document text
  • http://tai-group.com/upload/files/xerox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=philosophy+css+notes+pdfPDF 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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