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://laborke.ru/uplcv?utm_term=chemical+engineering+fundamentals+pdf PDF link annotation

  • http://jpind.pl/userfiles/file/siwurimukejesafivedi.pdfIn PDF document text
  • http://miltonhigh65.com/clients/874455/File/21937214525.pdfIn PDF document text
  • http://aodaiminhhanh.com/app/webroot/uploads/files/zapipijufuwo.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070eb7c79151---19688972534.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a4aa59ec591---wewizi.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/be2d4f064e18f61c8e87050c6eb81533/jodarawujoguwidubaxi.pdfIn PDF document text
  • https://fond.ru/userfiles/file/24670129755.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/77958465555.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a11f0df81---58637427271.pdfIn PDF document text
  • https://cr2tek.com/userfiles/Proj_Name//files/27164929912.pdfIn PDF document text
  • http://www.cpiequipos.com/assets/images/user_files/files/99241434071.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/77988879195.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac26e044fe1---59701788941.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/53344088439.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf88e0dc04---bivivinenutevopatu.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/7553c2bec1f84d25d5a116c7909dce97/jasuginabulojulilogakexis.pdfIn PDF document text
  • http://slhs1958.com/clients/18590/File/85329023316.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/jt5m5m2fupdgfjqhhcu0pqea6i/rifanumap.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/je9ofv49svimgv2ul2mg3vd2il/dezotezukonamomij.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/5586bf92a3bcab0081277fc49c92415c/mawotewukiwejudeda.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/duzoladuzawobiziwudurarar.pdfIn PDF document text
  • http://cableesmaltado.com/d/files/64284678493.pdfIn PDF document text
  • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/f3cedf98fac3eeefe9df5da672f47b2b/18964625107.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/85621994314.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210904_D7321C0F15E400D3.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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