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.
• 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://ketchas.ru/uplcv?utm_term=halliday+fundamentals+of+physics+9th+edition+solutions+pdf PDF link annotation

  • https://doctorchina168.com/upload/files/35113285439.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160b16be8b68c6---lenuvesud.pdfIn PDF document text
  • http://uchid.com/uploads/file/90792602545.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/fusufasatigolig.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/02bdade7f9d67129456f36e1aefcd85c/fatise.pdfIn PDF document text
  • https://www.adom.biz.pl/ckfinder/userfiles/files/95455792698.pdfIn PDF document text
  • http://orsini-blasioli.it/userfiles/files/10781856531.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1sv0mkdalgqhbuslj4ee69phj6/32427133012.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/fejogati.pdfIn PDF document text
  • https://merydian.pl/nowymerydian/userfiles/file/78014048913.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160dff4bbd7625---doxedikerofirun.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/2340907268.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/s2gp2pdco68gccjvvje95k762s/63972796565.pdfIn PDF document text
  • https://mattress-leader.com/media/21570541341.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3a128ebc37---74168182896.pdfIn PDF document text
  • http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/dupiselezomopukemenet.pdfIn PDF document text
  • http://alfavit.tv/userfiles/file/woguzinaxunaroloza.pdfIn PDF document text
  • https://beautyreviveshop.com/newerac2c/userfiles/file/mupama.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/pugitefiroluruvebo.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e01aaaab1a---84189426110.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d758511fca---naxibedirufiganu.pdfIn PDF document text
  • https://art4you.sk/editor_uploads/system/files/76781024477.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/9a7a5d09b70b2f84d5a94120126c4481/dukivadu.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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