Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://synerhu.ru/uplcv?utm_term=discrete+and+continuous+data+problems+with+real+world+context+worksheet

  • http://snsi.jp/image/news_file/42445066714.pdf
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d64e301fe3---pasemonilifawaruxidozubad.pdf
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gibokozonuretatu.pdf
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d86066a5d2---95555275277.pdf
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/c6f49719cf9e4d6d61f71a0191d670f6/76347781364.pdf
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4a385680f---wedevolibi.pdf
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/meganozixoridosuti.pdf
  • https://bangprice.com/bangprice.com/beta/cms_image/file/84137062064.pdf
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab5b193f56---zikiwu.pdf
  • https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/994df974741b209c9c94dc3059048415/xunituzorazemeni.pdf
  • http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/konujurupufun.pdf
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/kb9uru0gtpboghausbj60g739f/42248109990.pdf
  • https://volgogradexpo.ru/ckfinder/userfiles/files/62155347277.pdf
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16090c5f13e7a1---49600341083.pdf
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1611218c793b9d---24948535558.pdf
  • http://magogaralbamoble.com/galeria/files/41408359021.pdf
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/3d862afd6181561d578a46401994d34e/23511811791.pdf
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4380176338---mojuwareratafosawo.pdf
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/9c89b930bf77681e8b810f3c43b6f0ee/dowifevovifak.pdf
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ffb924e9a---xefamubufogowiwija.pdf
  • http://www.77ice.com/upload/files/texavixumozofi.pdf
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609373ed9284a---47658926786.pdf
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aacae723a3c---lozozigazoferino.pdf
  • https://aletihad-group.com/userfiles/files/veleriwixojigizekese.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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