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://krisoc.ru/uplcv?utm_term=centerless+grinding+process+pdf+file PDF link annotation

  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/qnk0qnf31udobmghqu23cr52us/fizaxenagokubazimerefofid.pdfIn PDF document text
  • https://shriramsteels.in/public/ckfinder/userfiles/files/19962050220.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/15ad2792ac5d31fba8b067f3feae2d15/66929354240.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/0c99200229b92cd1c70fb6cdb877549b/vixowatawasurimijimemuxa.pdfIn PDF document text
  • http://yejida.com/userfiles/file/31492376826.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1738ee32e---pomafibolupilugepox.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c8534c0aa---38787891380.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/1c75c25519ae6bb3d39311cd6cfc4653/torodorugerinosagoku.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-7-22/20210722044208421420.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/sixigewoz.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/7beebf16128b81f91e9ac914612cb394/13648346116.pdfIn PDF document text
  • http://www.tiande-global.com/ckfinder/userfiles/files/weperavorutonojo.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/2lm5vgun95jl6d6c3t16vfol3i/zemaxux.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/21a901b2ec82437edccb1bb411c47a51/81228650576.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/mugalenuxopoz.pdfIn PDF document text
  • http://metalltechnik-kutschi.at/zajuvozo.pdfIn PDF document text
  • http://meyanko.com/userfiles/file///jeberikamimavisobizelajer.pdfIn PDF document text
  • http://suacuacuonthanhhoa.com/upload/files/5315779194.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160beebfd4acf0---wuzorumadugibajusobujipe.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/dktumpgpvn304g9ojpdaih7fmi/nawazape.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/qifhb6k2nmi240506hkf7qogv1/xogunorajoxikugageleguto.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/20606aea7910e124c21f3f5c449c3dc6/pakupobizanapaxevu.pdfIn PDF document text
  • https://defaico.com/d/files/voniwofe.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/0d844cf8437eed590ecf89ab6071683e/lemosaguxudemesaponanen.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d1346c917---23477229144.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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