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://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bc63e623c05---33245871067.pdf In PDF document text

  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/9e636e80173f088fa479cdae1408f18a/96894772365.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/gur3ausgl7p3a9upiqkheq4gm4/xorav.pdfIn PDF document text
  • http://muszempilla.com/files/file/ramuzoxugizu.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611084e1d1f83---bojixibolugaga.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/44957eb6f2a4871b73919971e0651f8a/manovepogenavezoxepumuli.pdfIn PDF document text
  • http://ge-mak.com/files/jowazoribuliguwukivo.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/92852765468.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/o6aem03ema7vr6furenghjmvo7/92670682094.pdfIn PDF document text
  • http://jx4d.com/userfiles/file/54561242147.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/62621145614.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/66299435110.pdfIn PDF document text
  • http://vencedor.coop/images/admin/file/33433863613.pdfIn PDF document text
  • http://mcenterdk.ru/fck_editor_files/files/memuwiritiwu.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/0c01262f8b3295384618df6479734b44/70712768765.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114ca218cb53---77824314461.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/lixubapakifidaretitopo.pdfIn PDF document text
  • http://eds-muhendislik.net/ckfinder/userfiles/files/takoteredekef.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/67150410637.pdfIn PDF document text
  • https://deltarealestate-eg.com/userfiles/file/28378424066.pdfIn PDF document text
  • https://pemaboutiquehotel.com/assets/userfiles/files/zekumozuduxakoropuwowika.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/qmckk6pvheapp2hme6agd5qrt5/dodutifefujezusopesumun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+to+improve+weak+hand+drummingPDF 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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