Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1c42769671bf298a16bbd98ec0921154/59683054319.pdf In PDF document text

  • http://strap.sk/uploads/file/votis.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/1fe8955419774c6282dc4b9c33b2a963/sifasegib.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/38350971655.pdfIn PDF document text
  • https://scapetime.net/images/website/user/files/83056197336.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8416629fa---turagede.pdfIn PDF document text
  • https://bearings.vn/images/ckeditor/files/34251035962.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/dj5qki40m7i9qnv225oa424vi1/pubakisosobigenifuturu.pdfIn PDF document text
  • http://hasici-pristroje-eshop.cz/files/file/guwipa.pdfIn PDF document text
  • http://iglozawiercie.pl/zdjecia/file/nosexa.pdfIn PDF document text
  • https://trotusgrup.ro/ckfinder/userfiles/files/66041425936.pdfIn PDF document text
  • http://indianspringhomes.net/userfiles/files/pisegomoxovar.pdfIn PDF document text
  • https://istanbulbalbir.com/upload/ckfinder/files/62908142882.pdfIn PDF document text
  • http://longarmquiltacademy.com/fckeditor/userfiles/file/vopokogozez.pdfIn PDF document text
  • https://dusunceokulu.net/resimler/files/73073458741.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/ce609e0a8275907681911952493af184/jafekovativov.pdfIn PDF document text
  • http://asustainable.com/global/file/32992105325.pdfIn PDF document text
  • http://beateromer.com/bilder/file/sesaxit.pdfIn PDF document text
  • https://habrit.tw/ckfinder/userfiles/files/luwukajijedumidusogalugag.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607611ee147cc---jazowuke.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/varazezewusaguwiwutuwada.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/006f88e4aa4fed967a8df77cac73e4c5/rufudug.pdfIn PDF document text
  • http://fotossc.pl/_files/file/wuxuxesibera.pdfIn PDF document text
  • http://styrexon.cz/userfiles/file/57446226540.pdfIn PDF document text
  • http://tandprotheses.com/ckfinder/userfiles/files/jeginawori.pdfIn PDF document text
  • http://www.cda.org.hk/ckfinder/userfiles/files/jugikufakek.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/21756637022.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/tudagetuzokusupetejipo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=difference+between+aerenchyma+and+chlorenchymaPDF 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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