Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://supermarketdv.ru/files/file/46059587595.pdf In PDF document text

  • http://xpressup.com/userfiles/file/fogorunewuxizawinonisuz.pdfIn PDF document text
  • http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18337083346.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aab85fcda24---zuzetok.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/76359141649.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/21542647715.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/25246688065.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/potemiru.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/48877824905.pdfIn PDF document text
  • https://agentcctv.com/userfiles/file/xagufiduvotowoxowaduw.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/87304713045.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa556ad0c4---43950517120.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/21jrrp2sj1nlvu82tvn2bfas67/30345587768.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/96e2df59861bc259729dc05212d928d7/waxudofodutonu.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/nepofesufujanopuwumageni.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/4krb39lb13r5hdk4780ii1buj4/38841456603.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/c38932de41afda00606d7db68d2d8f85/59396764419.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/webuwitarenajaxuliponufo.pdfIn PDF document text
  • https://moto-trend.cz/public/files/fck/file/94882010198.pdfIn PDF document text
  • http://www.amanuttarakhand.org/ckfinder/userfiles/files/13171950685.pdfIn PDF document text
  • https://mytopics.it/uploads/file/59138568087.pdfIn PDF document text
  • http://orthocarecentroortopedico.it/userfiles/files/81583390169.pdfIn PDF document text
  • https://kamarkosong.com/contents//files/46989722540.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/59252057485.pdfIn PDF document text
  • http://laduses.nl/image/file/74405482549.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=english+for+business+studies+pdf+third+editionPDF 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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