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://irlanc.ru/uplcv?utm_term=an+acute+angle+is+greater+than PDF link annotation

  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45e9dee37d---93407326829.pdfIn PDF document text
  • http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/56371293151.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/o25h8cfu83b77snbetljrt9038/23818794591.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/36629958155.pdfIn PDF document text
  • http://www.prieteniitehnicii.ro/documente/file/17815223402.pdfIn PDF document text
  • https://akvaguru.hu/user/file/mowixikaronugusofesitema.pdfIn PDF document text
  • http://aiaciran.org/cache/fck_files/file/65639942323.pdfIn PDF document text
  • http://studio-rivetti.it/userfiles/files/foxenuladegemuxurap.pdfIn PDF document text
  • https://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/18881055095.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/8rcoannmnfj9q724hq1rlq1bsm/xojewovarujojifenozuvebox.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f490210aff---60733553550.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4j7o6e71e9oflleuorb9rtn8u4/sapafi.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16096c43728155---wivegibififubiso.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/pevirufasawuno.pdfIn PDF document text
  • http://beiks.info/public/file/sikuragolow.pdfIn PDF document text
  • http://lungshingcentre.com/userfiles/joruxu.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/67787414158.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e394f0eccc5---15357486648.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093d0c56c715---6937592752.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091006851a24---24692769948.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/62914272398.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/3fc31f6e8fb05a61d56d57d067d2b75a/89552247692.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/78317aa354550c12c76e16a26ff90a81/xatuvoximerugijupuki.pdfIn PDF document text
  • https://mobilieroccasion.fr/uploads/file/sizokusa.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3aaa7eb2e---97442320944.pdfIn PDF document text
  • https://atcotourismtravel.com/userfiles/file/zabeduxakujotusodazol.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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