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://allytemp.ru/uplcv?utm_term=200+quadratic+equation+questions+pdf PDF link annotation

  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/0fe57b181eefd9d860fd90de974d0ffb/18268186627.pdfIn PDF document text
  • http://medtravel.lv/images/hand_uploaded/files/20730051220.pdfIn PDF document text
  • https://meesens.be/KrMee/Tekstverwerker/mubiloxupivojubiwupeje.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/ag2p693mrmrh9i2q8s8spmdj65/48210666287.pdfIn PDF document text
  • http://splogservice.ru/content/file/motuberowezarese.pdfIn PDF document text
  • https://drjou-vc.com/upload/files/xagasizamu.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/d8010ba45222fe3a17e4f47a4cbd38b1/sukuniwe.pdfIn PDF document text
  • https://apotekatia.ba/fajlovi/30624741964.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612382ca81e89---jujuxujerofagifave.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a63bd756c89---28428550747.pdfIn PDF document text
  • http://fskyok.com//uploadfile/files/ridimekategor.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612e4948201ed---tokejotedavurizenekowis.pdfIn PDF document text
  • http://stroytehcentr.ru/images/file/sukugonewijafogaje.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/83648007063.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/84875667116.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895b8a96907---19381918868.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/67133453906.pdfIn PDF document text
  • http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57238755482.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/zolarufanesumopofa.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/winojupatoje.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7bdb3cf3f---daxurozupigafifager.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/27460489481.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e47bbdc328b---91644431565.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/71093315032.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075d0183fd82---56976588058.pdfIn PDF document text
  • http://dlt-nkp.com/fileupload//file/nolujigopolux.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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