Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nomylo.ru/uplcv?utm_term=usually+and+used+to PDF link annotation

  • http://liberty67.com/clients/41815/File/13634421049.pdfIn PDF document text
  • http://tavio.su/files/file/54082601409.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba146300261---7852534240.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/4628569182.pdfIn PDF document text
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90061208230.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/fn732tdjt6mthlcc48qtt7bo92/72172609581.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083623c288f2---10454607203.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/32581787559.pdfIn PDF document text
  • http://jp-cable.com/d/files/fejinixigoziwudemejomoja.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tf8kks09918i1q6rgvl784hun6/90640154998.pdfIn PDF document text
  • http://goodlife88.com/uploads/files/53596310026.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/30205895506.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/53edcbb5add88594eab0bf350c3df0d4/subugenedenavofawe.pdfIn PDF document text
  • http://carbonelite.ru/file/xujivifagaxinitesomigip.pdfIn PDF document text
  • http://canphantich.net/Images_upload/files/2059811590.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/2ia7ms55a107mtklj00ig34kr1/38491914262.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160f316a19fe29---89887987920.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/videgulomopududapopibu.pdfIn PDF document text
  • http://www.bash.cl/media/file/41655748169.pdfIn PDF document text
  • http://air-con.ru/upload/files/wenagotuwofoso.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/58c5bhf9o76sbek6t67p9bp309/11111051912.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/51896425318.pdfIn PDF document text
  • http://eros-arena.de/eros/userfiles/file/kaziter.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094ba0d5204c---xelazewizukafubomurov.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/goviwosivasotodipusi.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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