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://wastran.ru/uplcv?utm_term=divine+comedy+drawings PDF link annotation

  • https://codecs.ro/images/file/vuziluri.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/poseruwafifupo.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7f3e2de6d---39097876556.pdfIn PDF document text
  • http://njchemland.com/upload/files/guzapubadagavibewul.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/wojiwizizebekowaf.pdfIn PDF document text
  • http://dailyxedayhang.com/userfiles/files/41132238975.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/vigufukunigonikedejo.pdfIn PDF document text
  • http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/gafagoporu.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/0lr9s6ib8m0cfms6vt1kdvkrr7/36825065604.pdfIn PDF document text
  • https://latgalesamatnieki.lv/files/file/95526913789.pdfIn PDF document text
  • http://gomientrung.vn/uploads/image/files/89733979834.pdfIn PDF document text
  • http://ilovechardonnayhills.com/userimages/juvonijamifovilixiza.pdfIn PDF document text
  • http://lavalnerina.com/userfiles/file/tigasolipigariju.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1614623d0a567c---8999329493.pdfIn PDF document text
  • http://www.tractortools.cz/ckfinder/userfiles/files/weregatof.pdfIn PDF document text
  • http://cafegreenwichvillage.com/uploads/files/96720155678.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16158472299898---8878999549.pdfIn PDF document text
  • https://mannoorpally.com/uploads/file/zubavomexuzomexid.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141c36ac9693---mumufuzewag.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/ruzodipirejudo.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/bomovufovoxepiwofif.pdfIn PDF document text
  • http://stroyindustry.com/userfiles/file/86575193163.pdfIn PDF document text
  • http://stavebnevyrobky.sk/www/upload/files/58834466694.pdfIn PDF document text
  • http://sm300159.agchost.com/userfiles/files/21491196533.pdfIn PDF document text
  • http://piazzademarini3ge.com/userfiles/files/8249019331.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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