Malicious PDF — malware analysis report

Heuristics 7

• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=experience+letter+format+in+word+for+accountant.
• 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://zkojicin.cz/userfiles/file/97232270862.pdf In PDF document text

  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608285561f145---xipowirad.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/gcvo5a9s45bmmv51128ihtrbd4/55782795169.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/lcvdpgh68t8j3fbrodvh1ah2m2/319141251.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082a7d491865---zegevodupusezolepubaw.pdfIn PDF document text
  • http://rymwid-training.com/userfiles/file/fabatenadososime.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/bcc3a6a748f3e51f42ff79ce665c15fb/regixinuzajanebuworu.pdfIn PDF document text
  • https://organicfertilizerproduction.com/d/files/38754880037.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16083ef05eeeef---54757436477.pdfIn PDF document text
  • http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/15273261949.pdfIn PDF document text
  • http://pcccmiennam.com/media/ftp/file/27132387672.pdfIn PDF document text
  • https://bazab.ru/ckfinder/userfiles/files/59121312994.pdfIn PDF document text
  • https://travelinnsuites.com/nbloom/fckuploads/file/jolabuzenuso.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/81578540708.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7hgm8v1j1q33jtqu0a5um4mch0/jumokogusakimixekegami.pdfIn PDF document text
  • http://kimandyoo.com/userfiles/file/18452774822.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/gufobixutibodukek.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609de1a15c32f---zobutogolufatuj.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/r4m6m41qd1555ghkaqdttls6m4/xanoxamegonugonafa.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/jodugorenakunapizuta.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/b12a068408dcf94e8660f67952607f67/banuzedubemexutuma.pdfIn PDF document text
  • http://haniltm.kr/upfiles/editor/files/biguribeliro.pdfIn PDF document text
  • http://gphs84.com/clients/866382/File/68649133163.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=experience+letter+format+in+word+for+accountantPDF 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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