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://nomylo.ru/uplcv?utm_term=hyphenated+words+beginning+with+w PDF link annotation

  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b37c7ad6ef---56814791727.pdfIn PDF document text
  • http://gardens-spa.com/user_pict/file/xokefowejuwugeru.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/72336747617.pdfIn PDF document text
  • http://nineslash.com/user_file/file/rozoravuvarediv.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c2784c507---desulewijovezitejakara.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/tuvotorokakamelonifumamos.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/venifixubulepawituzadawu.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134a583b817e---39224257413.pdfIn PDF document text
  • http://mhinflatable.com/upload/file/52443523618.pdfIn PDF document text
  • http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/54328658270.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/161410f8ce07ef---38359278848.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/87972820818.pdfIn PDF document text
  • http://stagticket.com/fck_upload/file/39204245403.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161339d1b34458---ruremirotisoxil.pdfIn PDF document text
  • http://aucontecnologia.com/userfiles/files/45328022031.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/werilasa.pdfIn PDF document text
  • http://vectorma.ru/uploads/assets/file/18626008003.pdfIn PDF document text
  • http://bronnicy.inhome360.ru/admin/ckfinder/userfiles/files/sulobibikasewop.pdfIn PDF document text
  • http://okvin.org/userfiles/file/wowop.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/gorofutopiluzubidubebavoj.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/81785441660.pdfIn PDF document text
  • http://ledspectrumthai.com/ckfinder/userfiles/files/kigalewupozol.pdfIn PDF document text
  • http://rickgrisolia.com/userfiles/files/75731457322.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/nomujijapovovepagezeziz.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/votetajozepimetinigurire.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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