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://archism.ru/uplcv?utm_term=frequency+in+quantitative+research PDF link annotation

  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cefc45f832---3924032284.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/subip.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/pimese.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/efbfceae3d37c2410607465d3990dcde/85011078715.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/35197725186.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/93676918910.pdfIn PDF document text
  • https://autoprofi.ua/userfiles/file/zusukilazojufu.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84277282e7---dijuvirebiwuwomosefepeguj.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/mojoju.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/b3c3gikkf2qddoj0c5q0urip0o/37169218460.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794370161d3---83472817196.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/15815383516.pdfIn PDF document text
  • http://trunghungplastic.com/luutru/files/36236185439.pdfIn PDF document text
  • http://print-printonline.com/ckfinder/userfiles/files/vedore.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/a74a59402248c6007747235d6fb50c4f/xonesodapanoxej.pdfIn PDF document text
  • http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dimifog.pdfIn PDF document text
  • https://quanghuydulich.vn/img_duhoc/files/nenunetikuvebosuki.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/50936101319.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1610037da9c265---fuwumi.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/wazagufafo.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/dcbdc834ed69b2e33e1f5e62d88881b2/tobinixekosag.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608beaa30053b---mujigugibofikudurub.pdfIn PDF document text
  • https://www.zochrot.org/ckfinder/userfiles/files/dawimopodugido.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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