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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://ragaz.co.za/XSRYdR1H?utm_term=ejercicios+de+memoria+para+imprimir PDF link annotation

  • http://fcms.nl/KCFinder/upload/files/11587245737.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/162129bc4170ba---73882374690.pdfIn PDF document text
  • http://wefi.cz/data/pic/files/pejeweduxenal.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/163c60eea2721f242f211ae15e2c45b6/juvizulanum.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20220205060247.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16224e24f9eda8---53341203667.pdfIn PDF document text
  • http://lk-atomexpo.ru/web/js/kcfinder/upload/files/roloxuduwoj.pdfIn PDF document text
  • http://rfychina.com/upfiles/files/16441243545875.pdfIn PDF document text
  • http://nawoo.net/userData/board/file/62544985527.pdfIn PDF document text
  • https://vatlieuchongnong.baohohoanglong.com/userfiles/file/77150800004.pdfIn PDF document text
  • http://skkl.cn/filespath/files/20220221094803.pdfIn PDF document text
  • https://mastirz.com/userfiles/files/31434383215.pdfIn PDF document text
  • https://gifarlcm.com/upfiles/editor/files/xurotivilofo.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20220311172435.pdfIn PDF document text
  • https://hgb.se/filer/file/tilaxulawimosoxelosoxu.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/ee20fa7704f7eefcfe5dadd16388d19d/55172536698.pdfIn PDF document text
  • http://reside-realestate.de/user_files/files/liboru.pdfIn PDF document text
  • https://stiglic.sk/userfiles/file/52772817053.pdfIn PDF document text
  • https://www.veskom-slovakia.sk/gfx/administration/js/ckeditor/kcfinder/upload/files/94313141629.pdfIn PDF document text
  • http://suyogmaratha.com/editorimages/file/zefivakapobujifezup.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/papelox.pdfIn PDF document text
  • https://samsungklimamodelleri.com/upload/ckfinder/files/42719556489.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/gowomolidifevetarovedi.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fa892a31bdf---vodepapujimavewo.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/3d7b40363ca0741811dd8f51177d296b/sotogolavozogovev.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/gudidetixafas.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/zerabitapa.pdfIn PDF document text
  • https://onlinendttraining.com/files/94867985282.pdfIn PDF document text
  • http://oembag.com/uploads/files/202203050248076473.pdfIn PDF document text
  • http://apcmagon.com/userfiles/37600336076.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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