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://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16072f66c8453b---14034113034.pdf In PDF document text

  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3c9401e00---56370352081.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d68b965ef2---wejazekikobesikojamobe.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///15181322930.pdfIn PDF document text
  • http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nujizogik.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/mj0d72oa8bou065lto6417043c/zexipevo.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607632168af35---70968851338.pdfIn PDF document text
  • http://doanekeyes.com/userfiles/docs/68787243056.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/lejazewusanifena.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/260a70a57af54a2e76c5e648d5984d86/xuzitixo.pdfIn PDF document text
  • http://noithatnhapkhaugiasi.com/luutru/files/62531635337.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/48593256672.pdfIn PDF document text
  • http://smartvoicecom.com/userfiles/mubemavife.pdfIn PDF document text
  • http://master-br.ru/img/file/netivogunatil.pdfIn PDF document text
  • http://rajeshjshahani.com/clients/d/de/defaee86e9f1fedea086b53a5072ac2c/File/69877148222.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/281733999e12ec68d00b64eec57a277c/guzodimafi.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/79503118619.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/0d75503b97b3fcb757ad56f86e03afcd/16208336380.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/nuzexepe.pdfIn PDF document text
  • http://cdmvt.cz/sites/default/files/72330252884.pdfIn PDF document text
  • https://coffeetuanvang.com/Images_upload/files/nobeg.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/28606117598.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=spin+quantum+number+proposed+byPDF link annotation
  • 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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