Malicious PDF — malware analysis report

Heuristics 6

• 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://myblindz.com/fck_user_files/file/putixidoxijok.pdf In PDF document text

  • http://cathayred-csr.com/img-cathay/files/dowodasol.pdfIn PDF document text
  • http://hoitruyengiaocodocvietnam.com/uploads/image/files/wikexunu.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16082408514485---49549678088.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/balufagodaregilip.pdfIn PDF document text
  • https://dnmpaint.com/sdcc/images/file/59789256679.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16100380ba8756---xakuwofagon.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d14aadf043b7d6a8e988e3ca453b491c/24622861246.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/7be5b865843cfa8ce224606f5f7a0e01/89941669822.pdfIn PDF document text
  • https://webmakler.org/userfiles/file/wojemukonugabomagipojubu.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d1af768a7d1---paxitirel.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/mufuzodegoribimona.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d5bf0480be7---58028850832.pdfIn PDF document text
  • https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/925f95e8a32fe4c1853f95a8b54a4f68/leguwasoriwibolu.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/v4cv36qk0k661kr0n3o2q6cigo/jekaja.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608f30b16d372---gutafizos.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/1cafaca48387abe3232c6a8cbc58ff58/53255506980.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/06484cd2798fab6041e2baab878ad257/69721639326.pdfIn PDF document text
  • http://resheto.ru/users_images//fck/file/84434702820.pdfIn PDF document text
  • https://thehero88vip.com/ckfinder/images_store/files/fafaragepinasotede.pdfIn PDF document text
  • http://seventyfirstclassof69.com/clients/60772/File/metesupofo.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb33682888---poxotag.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/lijojefijojiguwinifexoz.pdfIn PDF document text
  • https://szabobuszberles.hu/files/files/gevogizurerufagigopi.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f91914dd33---34837949276.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=paf+aeronautical+engineering+test+samplePDF 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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