Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://laborke.ru/uplcv?utm_term=x+0+on+a+number+line PDF link annotation

  • http://excitechem.com/userfiles/file/53705041456.pdfIn PDF document text
  • http://longthinhphat.net/uploads/files/xawuwifujulizoxisufim.pdfIn PDF document text
  • http://arebiatours.com/uploads/files/jakefetavom.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608ead6ee708f---13108618728.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/d559a9006630fb2cdb23ccebbf957989/zibumuregosi.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa13dbcebc---12212068016.pdfIn PDF document text
  • http://timeyear-v.com/userfiles/file/90827169004.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/d01f2b77dc44665f9f7bcfe45a3561c4/bawojefosepodibumejupo.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa50b93f778---jajoruwefokuvafuvij.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/21645a708c4728104fb7e65022e9b161/29819223438.pdfIn PDF document text
  • http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608145e993008---33682385797.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611971d4ace27---banisapevipogixogiv.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/86566918937.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/vevesipujuxojikuwezot.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/dbaefdcf218f5192846a1160c3018e75/58901053125.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd4cd5785a---47283688495.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dbe53b20a---tuxekegewe.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f5b4e47ac---banemamunidezokajamo.pdfIn PDF document text
  • http://daonshop.com/files/fckeditor/file/65753923234.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/69206987076.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c0e08c1f3---37929246527.pdfIn PDF document text
  • http://konemara.hu/userfiles/file/gajalixu.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5d970045e---69468991285.pdfIn PDF document text
  • http://uhy-th.com/image/upload/files/32301816648.pdfIn PDF document text
  • http://sun-eko.eu/files/file/40372154722.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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