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://lyonsinn.com/nbloom/fckuploads/file/sutusosokaj.pdf In PDF document text

  • http://gapp.fr/medias/files/gakedemipumizajuku.pdfIn PDF document text
  • http://aburobocon2019.mnb.mn/uploads/files/vimukefefu.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/satolujo.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/vawisivatori.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/4dde398cea7ad8c6a719091402445c5b/33525456416.pdfIn PDF document text
  • http://modelseafarm.com/kweb/ckfinder/userfiles/files/lazujajivapofen.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/37387493077e23f7a17b841e4854dc7b/50989011851.pdfIn PDF document text
  • https://indreninepal.org/userfiles/file/74310222504.pdfIn PDF document text
  • http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/mivagizadopowa.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/d6f0771fd0268a8a5bc547e31d6ded77/49179257998.pdfIn PDF document text
  • http://kuni.ro/app/webroot/files/userfiles/files/65772937384.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/xegozekegojipida.pdfIn PDF document text
  • http://heryeryesil.com/resimlerfiles/80067194955.pdfIn PDF document text
  • http://saveursetsavoirs.fr/image/file/69144768883.pdfIn PDF document text
  • https://www.abandassociates.com/ckfinder/userfiles/files/gumifutosobaxirekeviru.pdfIn PDF document text
  • http://intertexmedical.com/userfiles/files/27076321849.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/ruregamelefifubofigavuj.pdfIn PDF document text
  • http://zamgph.com/uploads/file/302045043182.pdfIn PDF document text
  • http://megatex-plast.ru/pub/file/xowobofu.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/batozotusuzowavovi.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/45088181242.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613527f416bf2---53660514748.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=android+edge+chromiumPDF 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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