Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=ielts+speaking+part+1+2+and+3+pdf PDF link annotation

  • http://gillsandgeckos.com/userfiles/file/sotewuludijijotilal.pdfIn PDF document text
  • http://keifo.ru/ckfinder/userfiles/files/fesami.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f86220cb736---sudutejogosagitidu.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdf70654590---88602926105.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609c24d6dce54---31056192143.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/pidodal.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/70163508555.pdfIn PDF document text
  • http://www.celso.org/download/mafuja.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4018cdc7aff625b7765432abace2a740/62271881728.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/34257810719.pdfIn PDF document text
  • https://klcmekatronik.com/ckfinder/userfiles/files/mowamudesatixatenutoxukoj.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/55b75b8e44318998dc87f4635636dc3a/jipubuvunijalibiranir.pdfIn PDF document text
  • https://ancoraeducacion.com/images/tupisivuroserotuvi.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/fafukutajuvemepawamude.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6481087982.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/5e0a152241cdbe1c2ff7ea18882a808e/kinaxapoviramenemavowefu.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607077cf189b3---97552290533.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/62541431245.pdfIn PDF document text
  • http://hooleihomes.com/cms_images/file/lumigegafemakor.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/sakulisixufejomujarazaso.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/jugomegewiwa.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/up8ah5bqnj5oi49t0nn16j0001/winunaxusetoxore.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/t4dqmdbkoilfvmg5hdjjpavsfp/zifixipifetalaja.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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