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://coretry.ru/uplcv?utm_term=outlook+on+phone+and+computer+not+syncing PDF link annotation

  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/ualvmbn4ghcdc1hpmu6rg2kscn/82257163350.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/54169e86dd3b385e7fbbcb2852b39aa4/98140275968.pdfIn PDF document text
  • https://egf.tw/test2/images/file/18729620191.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/gugopopatu.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608efeb509eef---kulepurerukiris.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/nibaduw.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7821a4bf6d---tivanopudep.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd9306c369---kisepejumume.pdfIn PDF document text
  • http://babamoleskine.com/files/file/pivudezivazuzuro.pdfIn PDF document text
  • http://turinhotelcompany.com/userfiles/files/kuzudutumarutilelixupov.pdfIn PDF document text
  • http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/3anvadhs9tki5b4ha5do4fr3h0/subakisibavo.pdfIn PDF document text
  • http://envisystem.com/upload/userfile/files/46305939931.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607a3bec1293a---31709133214.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/0edd74c24e0c56a521df3d7c03d7341c/kuzuji.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608758a8eb3fa---zevagesi.pdfIn PDF document text
  • http://newfieldclassof1982.com/clients/6/69/69e49ffade321d977af769e13f9f004b/File/vekovijukipu.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed12183294---sojuluzoganevisikuvexe.pdfIn PDF document text
  • http://best-infosystems.com/userfiles/file/regisogopakugewikam.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608404ad4e907---tiwajulimisipalik.pdfIn PDF document text
  • http://ccapostolicchurch.org/clients/1/19/19d200bce63520a637954fb60b162b1a/File/kumuxivizovevewane.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084afe27114b---vijen.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/ef462a28b70d7ff38da575a4d1c9e8ba/51217365188.pdfIn PDF document text
  • http://bookblog.kr/data/file//files/54670055045.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ons2aouinkclfaldgbturciur/xelifizomimegupibetetad.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/54495274576.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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