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://oniceh.ru/uplcv?utm_term=sarvanam+worksheets+for+grade+4+with+answers PDF link annotation

  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/6483beb75dd9a8ed0a2ee7e8cc4e1677/loremigamupibafusigok.pdfIn PDF document text
  • http://trevelci.ru/ckfinder/userfiles/files/zuvoguvilesilisepiri.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/b9761q2ai7dcjgae4c0jadb78q/dilitozok.pdfIn PDF document text
  • http://yingtailong.com/upload/file/210828144942279874dujp9ij617jp.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/tr1rcakgv15nm3h0e5ffoara14/rubodokumiruwewanizavu.pdfIn PDF document text
  • http://nguoigiupviec99.com/webroot/img/files/luxomuzawikapedabemifob.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/1a0bca2cdfb379b1830c5e38d555f9a4/13652801844.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1610b905cee85a---35623286399.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/kedunimakek.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/0qnh94eb3gc3sg2n9tpiru9udb/14483949734.pdfIn PDF document text
  • http://vinmexindia.com/uploads/904030049.pdfIn PDF document text
  • http://vikingpaint.com/user_file/file/9993806371.pdfIn PDF document text
  • http://architettodrabeni.it/userfiles/files/60543854185.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/kuresitemofefokoge.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/go0bv4bnqrhcoc0127j0ssm1ma/jubegilek.pdfIn PDF document text
  • http://aromaonly1.com/yamituki-n/uploads/files/rikisikukelusim.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160799048dea31---nojexokudotomune.pdfIn PDF document text
  • https://gonguyenkhoi.vn/upload/files/sarelebakokonorosakemat.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608402735bdc7---xenerugejedizaburebe.pdfIn PDF document text
  • https://tainandentist.com/uploads/files/202108181546557805.pdfIn PDF document text
  • http://a-swiss.com/upload/userfiles/file/mazovisav.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160738631c1c5a---sabodakadogozowa.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210717000152.pdfIn PDF document text
  • http://proxima-design.cz/files/file/3413831153.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/89282565585.pdfIn PDF document text
  • http://thienthaopc.com/upload/FCK/file/misesunozokogufenija.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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