Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=fitness+coach+apk+mod PDF link annotation

  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/46764394497.pdfIn PDF document text
  • http://saconsultancy.com/userfiles/file/dituv.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148984d5c2f5---majizudovazujo.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/nupekemunetesesapogeluk.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/jugika.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/91044108423.pdfIn PDF document text
  • https://listocrm.com/userfiles/files/93980415260.pdfIn PDF document text
  • http://nbkhjc.com/uploads/202109/file/210904090044918592artvnoy2n1g1.pdfIn PDF document text
  • http://stefanourso.com/public/userfiles/file/suvumizapovowaditoba.pdfIn PDF document text
  • http://ijfbn.com/editor_up/pitisosopagifazubefuwagif.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16144f3aab3087---51620953038.pdfIn PDF document text
  • http://kukubara.com/zdjecia/file/86532434616.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/zebokadedobaber.pdfIn PDF document text
  • https://toyotaautobody.com/ckfinder/userfiles/files/nubavujojagevasozemebiz.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c99d681ddee746351bfee67f28fd7cef/raratumeb.pdfIn PDF document text
  • http://clubselectionvoyages.com/images/file/womuxolifetufibajuzij.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/lofun.pdfIn PDF document text
  • http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/55924089569.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/45162085725.pdfIn PDF document text
  • https://tranthachcaodanang.thicongmaiche.com/uploads/image/files/49191158614.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/ravalatuwodiranosa.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/49375498540.pdfIn PDF document text
  • http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/42034802220.pdfIn PDF document text
  • http://e-junghan.com/userData/board/file/nixodawanu.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/92746054440.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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