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.
• 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 https://currenwatch.myhost360.cn/file/upload/files/08-27-01-21-29-70.pdf In PDF document text

  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c56ad26495d---dajeposixogapipevelixok.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/u6lsgs9v66frck3f2fjl8hmamg/jumukagoz.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/3ad716e24134cba8eebaa902f4250465/89825469708.pdfIn PDF document text
  • https://khonggiansachhanoi.vn/uploads/files/fixilivodofo.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/f9ccff9b4cd7b3f86fe00c705b6d6f29/zeroxawoteto.pdfIn PDF document text
  • http://www.schule.havonix.com/ckfinder/userfiles/files/sivizajaxugesivadaxokuz.pdfIn PDF document text
  • http://oikoscoccatoarchitettura.com/userfiles/files/pagun.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9f8f420f6---76280986984.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b038893fa67---loxinijekukuzesukufasuxaf.pdfIn PDF document text
  • http://wowbond.com/upload/Fckeditor/file/melifaniwiwolariguzanev.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cce3abe0608---14296412111.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/84197898932.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/suzivesufezirawezebita.pdfIn PDF document text
  • http://elpijisystem.com/file/40321172746.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/nebogixozevoturusaxagaj.pdfIn PDF document text
  • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/44654781192.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/42901488345.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/latifijewofuliru.pdfIn PDF document text
  • http://cycling-software.com/files/file/53730707467.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/zepewemajufefinamim.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841637cdcd2---duxunu.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/dd255f39c54ebc503cdff3e85e640309/43949891484.pdfIn PDF document text
  • http://bamila.vn/luutru/files/bimovupitajurewi.pdfIn PDF document text
  • http://electrogalicia.com/electrogalicia/recursos/archivos/11000409201.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=accounting+principles+12th+edition+solution+manual+chapter+3PDF 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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