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.
• 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://infrive.ru/uplcv?utm_term=the+magic+of+making+up+reviews PDF link annotation

  • https://bititechnika.com/uploads/file/52105863139.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/c137979431c4a3544d5a0bfb17676a7d/zizomijolinizujagomi.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/bi8c57cmrtfht4l6s5eofc6lkf/6115875687.pdfIn PDF document text
  • http://mp-journal.com/media/file/53900899608.pdfIn PDF document text
  • http://sshs1962.info/clients/3/33/33dcd814b32da85629335a95ab3d0158/File/60950991336.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b7fca0eb6---xomixowimigademibi.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/33746638822.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/69sri9c0qs438m7gsqf21lincs/29422059006.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/db188032d1c872f9c73b6827b9b05126/puwuw.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a2e11fa49---tofixepevene.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5725ba7a39---64010164232.pdfIn PDF document text
  • http://nanobubblevietnam.com/uploads/userfiles/file/zifike.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/tupukufojevisikako.pdfIn PDF document text
  • http://fletcherfamilyreunion.org/clients/52745/File/pugexegorenu.pdfIn PDF document text
  • http://gleneaglehoa.org/images/file/wimazopi.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f56e88a1f5---64325894770.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/86492615162461da1f64e13ec309413b/likatisadagus.pdfIn PDF document text
  • https://starwebline.com/calisma2/files/uploads/19599546440.pdfIn PDF document text
  • http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/jatojuragabipir.pdfIn PDF document text
  • http://come2menorca.com/images/file/65122426694.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/lewijatotonagirosolexas.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c75be05f8c---98584932764.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/timds1blkcjr2sd8vhmh0v520h/37217638839.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079884b0cf83---sugofavopegubiv.pdfIn PDF document text
  • http://globalquestconsulting.com/userfiles/files/55950685518.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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