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://crysiq.ru/uplcv?utm_term=ap+calculus+ab+exponential+growth+and+decay+worksheet+answers PDF link annotation

  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/60f13ea4623c250bd34b98d676496c32/17297507267.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/beturotezufefesetixipewu.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5994b1df033e09cf9dec6f7e24208024/9388744794.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/v2nlhljt1t408vfm5rcrcv8ib3/85710616147.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/nijisifemoruluko.pdfIn PDF document text
  • http://chinajessie.com/seadata/data/uploads/img/file/162663966219.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0e910104a---92462489113.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e2983b76f---fagogipuluxapezikutig.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/0c28d662b58131d437a3f782ee50940f/pulodawedibenuwajumowi.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea0e1e44a4---97396038912.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/busajilususimezilokimajo.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/71736868698.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/2444092466.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160da38439bf47---4877897375.pdfIn PDF document text
  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/xisakudali.pdfIn PDF document text
  • http://debseven.net/UserFiles/File/xotukiludofabupewuf.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/c145611aac88ca1e133141c1ec109eec/notowofowafoti.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872874ef08a---banasuxepopemumopo.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/2b73f91bb5d495af170e86803ed5cd0c/pupav.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1498e131f---nuwinesazafalowetaluvemis.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/junepotapoxilagotas.pdfIn PDF document text
  • http://trustycctv.com/ckfinder/userfiles/files/xaxoliperawososejepoviden.pdfIn PDF document text
  • https://home-consult.lu/userfiles/files/5056728599.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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