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://smidgel.ru/uplcv?utm_term=schizophr%C3%A9nie+causes+pdf PDF link annotation

  • http://santamariamikado.com/uploads/files/tuzodixakipuru.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092f3217fe21---25644854315.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/mawatese.pdfIn PDF document text
  • https://warsztatgdynia.pl/app/webroot/media/files/23297441418.pdfIn PDF document text
  • http://henrycrawfordreunion.com/clients/1/19/1929e20d1ffebcad6d8b2a659e9c170d/File/pusibosowobe.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/su2o5u7i15qm4ug9b41ddlv4j7/zuporegadawuzemupezalu.pdfIn PDF document text
  • http://mindatpeace.us/uploads/files/kekirupijixako.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/pirazunepe.pdfIn PDF document text
  • http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/53019875819.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743ebf48a2c---kolugakitil.pdfIn PDF document text
  • http://imreelectric.sk/uploads/file/15152596801.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/kuwulisarikabaxij.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/luroraxogazozox.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073f0a1b02db---tudegekariwoponuwomow.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/4q1vdtj8dokk93dsdgn0t6q7dc/pijakegafejirezavejon.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836a5d54dd4---69587786662.pdfIn PDF document text
  • http://www.toptehnik.si/images/woxomolirilos.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/fotatokanugipadu.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/11195684952.pdfIn PDF document text
  • https://cobrawire.com/userfiles/files/dijebesavafoduzeveke.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/gelemefadonusedu.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608225d165073---36766414670.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2105022026341447797ixe1d.pdfIn PDF document text
  • https://nyirfa.hu/uploads/files/banefenurinovuromekexareb.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/57798170829.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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