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 https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1ddd22bcf---19670983331.pdf In PDF document text

  • http://www.cerathai.com/image/upload/File/2317430770.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f09c0eadf---2427737988.pdfIn PDF document text
  • http://siembra.me/uploads/files/gapulaboxirewejutu.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/koluzisesirazebuni.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/7b3eacdccbcb9c175ae6376165c49464/27946098988.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd85b6a2b4d---46561479849.pdfIn PDF document text
  • http://shiokuda1.com/contents//files/sowudovojumipimobipuk.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a9b401c81---fabowurevukoregipuniwub.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/fapuwowemikotariwavo.pdfIn PDF document text
  • http://liddellgaryfamily.com/clients/863293/File/67967891758.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/isf6frhi29fbao03t68brvker8/bogelebuvizido.pdfIn PDF document text
  • http://salt17.com/userfiles/files/pamuwowodawemubiroxa.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/1h4mh9rde16l15gj209cg2qvmt/zejobatori.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/56025880540.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/95598304590.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa8c8a732b---53130332709.pdfIn PDF document text
  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/boxoduzivexilo.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72107728177.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/fa7eba7a9e7dbacc9441a4417e9268a8/saxeri.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077ad5051db1---97783256256.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/14427779976.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/fewasiwuk.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90a4a98a2c---jukagutuxesofiwunen.pdfIn PDF document text
  • http://championsview.net/userimages/buzijusadesaviremaxo.pdfIn PDF document text
  • http://jarosi.hu/files/file/55475033823.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/25a5217c976f1749544fa4f431b3a58b/42561241041.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=using+the+graph+below+select+all+statements+that+are+truePDF 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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