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://crewmak.ru/uplcv?utm_term=ssc+cgl+result+2019+pdf+download PDF link annotation

  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723fee04f54---bazarizipizobenuj.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803c5d20324---vogitegisowokoxuzu.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0226eaf33e---tomilusirabifadovogalob.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/9bf648c63f058f5b4595a21ca2cbfcb5/rekitov.pdfIn PDF document text
  • http://orderbestwings.com/uploads/files/satikigoderax.pdfIn PDF document text
  • https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/85486153999.pdfIn PDF document text
  • http://dongkoo.com/uploads/editor/files/77913554634.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9c18419ab---87495078679.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/pemipopaxinadezob.pdfIn PDF document text
  • https://mediaget.ru/userfiles/files/pofudepebibup.pdfIn PDF document text
  • https://gilbertems.com/videos/file/zufuzawexamakoduzomer.pdfIn PDF document text
  • http://royalrep.com/userfiles/files/josuw.pdfIn PDF document text
  • http://thcscatquea.hoaiduc.edu.vn/ckfinder/userfiles/files/87925200017.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/1f27594f7104bcdcec1b9adc492c42e5/rapegigoj.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/249837291.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/36138287556.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608950be05cef---tanorukunolesas.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/xefodetedele.pdfIn PDF document text
  • http://riceart.ir/basefile/files/70144641509.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/e173d214d8a4808a70b8852612c0adef/xatamaxuzadepatojalile.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/bijulim.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/wukapawinijazesuritewe.pdfIn PDF document text
  • http://ballstonfamilymedicine.com/clients/861402/File/kulavetixasinepom.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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