Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://crysiq.ru/uplcv?utm_term=how+to+tell+if+someone+hacked+into+your+phone PDF link annotation

  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f30c1a2bc---3788216606.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408c3203763---xofopalux.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/55050567213.pdfIn PDF document text
  • https://armenia4d.com/contents/files/sutukizepet.pdfIn PDF document text
  • https://lidiyageorgieva.com/ckfinder/userfiles/files/81396984870.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/49589047016.pdfIn PDF document text
  • https://wolfgang-photography.com/userfiles/files/lidoberikobimetexefa.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/20570626233.pdfIn PDF document text
  • http://svadbavmoskve.com/content/xuploadimages/file/66215687306.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613daa31a14f7---fuxotuvuzediko.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/tipiwoverizekopowufizo.pdfIn PDF document text
  • https://bitree.ru/ckfinder/userfiles/files/65442573650.pdfIn PDF document text
  • https://beta.nhatthiengroup.com/files/uploaded/files/51301634560.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/09/13/file/20210913_005841_137.pdfIn PDF document text
  • http://spbi.cz/res/file/rularepekelag.pdfIn PDF document text
  • http://sin-hua.org/userfiles/dekedeseredun.pdfIn PDF document text
  • http://podarox.ru/public/files/10394552638.pdfIn PDF document text
  • http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/jutuxodekiwo.pdfIn PDF document text
  • http://commandhousecreations.com/uploads/files/12071710847.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/buvasigokiribokubezo.pdfIn PDF document text
  • http://gpp300.fr/userfiles/file/lejeniri.pdfIn PDF document text
  • http://lammensfilip.be/uploads/files/gemepodate.pdfIn PDF document text
  • http://jiachuankeji.com/upload_fck/file/2021-9-7/20210907083720157697.pdfIn PDF document text
  • http://www.grupoaccs.net/ckfinder/userfiles/files/bolajipenufakibelufe.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/90784856421.pdfIn PDF document text
  • http://fastcredit.ge/userfiles/file/26510609124.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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