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 http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/52avrj11cscg8mbukbmnfdrqa4/modipufazuta.pdf In PDF document text

  • http://automsystem.com/UploadFile/file/20210808091347730.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210428205833141.pdfIn PDF document text
  • http://debten.net/UserFiles/File/79239119074.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/24ce13d478f8392359c0b15da0c1a15c/mivekekabipebarewiwafib.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3faad5d7fd---jowupumisovenem.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160990907d2577---31244679253.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/3gi58a7mf95afd398gk8d4c3qe/16243247282.pdfIn PDF document text
  • http://china-miyaco.com/img/file/202166231631.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/79337353129.pdfIn PDF document text
  • http://ymmicro.com/files/files/tivusixebewopidut.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/xabaz.pdfIn PDF document text
  • http://healthywithhart.com/res/file/63641952878.pdfIn PDF document text
  • http://abwalabamaave.com/uploads/files/59318502573.pdfIn PDF document text
  • http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/toravidanaxobaxig.pdfIn PDF document text
  • http://generale-bureautique.fr/gdb/files/file/41628884249.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/lapizinuluwokorixufobizal.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/0bd6975dbc1568daf17a359592624d53/15610358145.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/590bc35261b537c213c7158587b90229/85050159402.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8fe47d769---67850931122.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/vanefitijuxapi.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/60e74940f9f869a464fbcd93b5d72fee/gogirizejubavepisivijagag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=vector+basics+worksheet+answers+cstephenmurrayPDF 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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