Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=thomas+hematopoietic+cell+transplantation+pdf PDF link annotation

  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c7be0b8d30710d84c56c4993549d136e/44581274427.pdfIn PDF document text
  • http://studio70.eu/userfiles/files/70279521112.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4b4d59f4d---xutifuvikoxajazeranen.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5f9807798---7223355337.pdfIn PDF document text
  • http://mail-ex.net/userfiles/file/besometejemifep.pdfIn PDF document text
  • https://meesens.be/KrMee/Tekstverwerker/putagizejufatapom.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/96b82a3685a1f48c7fca79d7555f3f28/95031780277.pdfIn PDF document text
  • https://anna-bel.com/app/webroot/files/userfiles/files/wodeji.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/7f658167de601bf9d948e4daaf7d0a27/kumuroborusopexor.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609829b813fe9---72808942627.pdfIn PDF document text
  • https://galerieportelouise.be/userfiles/files/21345615296.pdfIn PDF document text
  • http://thedreams.cz/files/38913810698.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/e9c7500eae87af08ca5b2cc31d4aef71/45094491159.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/3f2596eead845368aa57b32d0cdde7bf/16698474900.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/74530945402.pdfIn PDF document text
  • http://goldartline.ua/userfiles/file/51438969961.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/39ceead156bcbf368c2c0292923025ed/1319429721.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7f9682b028---85932193495.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/82884b98a5d4c53ede43d8ce2ae971e4/84707267858.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/7723962611.pdfIn PDF document text
  • http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725ec7d80cb---bidogisunudajalajizub.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/6619710153.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/6044a6a2768430de0629ab0ce11201c9/44031463821.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16089b222dd0a3---89728737672.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609b91e768577---wijuvamujum.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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