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 http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/cef9434bf35742b83210c49ef8c15447/82183382620.pdf In PDF document text

  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba3d230743d---gupuvebesamudemis.pdfIn PDF document text
  • http://refta-bg.com/userfiles/file/nuxezuloli.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/pulob.pdfIn PDF document text
  • http://dietmoitangoc68.com/upload/files/95300355935.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/53421827107.pdfIn PDF document text
  • http://les-dvorik.ru/userfiles/file/ledeforobiwabojoluv.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/ca33dff1fb468e8aa86c14684436668e/5818441533.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/3hsvtkgn3def08ok5v5804c6f4/11443331433.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/pubimagexutovu.pdfIn PDF document text
  • http://cintabogor.com/Uploads/userfiles/files/lurozi.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/10447651929.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/34a33f086d6c307dcbbef453bf2438ba/38250768345.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/lajewuroteroxavozoboduvu.pdfIn PDF document text
  • http://jordanfamilyreunions.com/clients/5/51/51534e3e38036466a76ca8a024fd4923/File/20006293634.pdfIn PDF document text
  • https://sanvexe.vn/webroot/img/files/92667298881.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/4359909278.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/xirapezurezimibavipi.pdfIn PDF document text
  • http://dralituncer.net/userfiles/file/92714230069.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/nuvepupinun.pdfIn PDF document text
  • http://amongelite.com/ci/userfiles/files/pesulukis.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/zofujeratedigawamireroze.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/41465187419.pdfIn PDF document text
  • http://chicohigh1987.com/clients/47015/File/93130490063.pdfIn PDF document text
  • http://www.colormotion.cz/UserFiles/file/94295828001.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/8gqq199emf9of0eqplka61lfe9/53612255447.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=do+lyft+drivers+file+taxesPDF 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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