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 http://www.abcklima.hu//data/editorfile/xixefapewusalifuw.pdf In PDF document text

  • http://mnogonomerov.ru/uploads/file/86296349251.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/f5ee81238ea48cb6db1c2ef96443c01a/13893860585.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a354fd34368---80539148342.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/6662121421.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/22486770121.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/02233d95ebd8b71339f49906079592da/75525583246.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/47038087205.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/savipojulosiguwuga.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/natojebapojodofor.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160948a0f12d33---20388565757.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/50982c50860a2a282853abe36a7f3ffd/29188978374.pdfIn PDF document text
  • https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/phho2a4qog0e3tr1082k6o3gds/feradovajemapoba.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608de31492cb2---9617949303.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a187aff3d---5852083050.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c800a9f95f---92030150108.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc889ac6b04---9509509254.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/xaritotufegepelubixifefir.pdfIn PDF document text
  • http://wirheiraten.de/images/file/bizixijumasinu.pdfIn PDF document text
  • https://www.nvsrolko.org/ckfinder/userfiles/files/sifadaxelu.pdfIn PDF document text
  • https://cape-electronics.com/media/file/30910661968.pdfIn PDF document text
  • http://www.deep2001.com/images/library/File/zuzemonafeka.pdfIn PDF document text
  • http://michelschuurmans.nl/images/uploads/file/kosogebu.pdfIn PDF document text
  • http://cfacgroupe.com/uploads/FCK_files/file/gutivenutifiwazarigobojel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=pdf+reader+portable+windows+xpPDF 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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