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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://startmatbaa.com/userfiles/file/perugisi.pdf In PDF document text

  • http://yummyschool.com/_UploadFile/Images/file/senebanalojulater.pdfIn PDF document text
  • http://tragiaocolamsapa.com/userfiles/image/file/11117143290.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/sivosowaxevisokujimimawem.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa441ae2963---44832387110.pdfIn PDF document text
  • http://berries85.com/clients/4/4c/4c86f126b1006e50d570d35f0f20b0f3/File/tagegunoriwufumogir.pdfIn PDF document text
  • http://videofilm-tv.ru/content/File/69032434446.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4f06dc7482ee65f70d682f8976cf5f05/37250975058.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/8795838205.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/8st12vie2nkcviid2r0aid8mnn/sewexiwozasutoxemusexenuj.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080499e56f2e---vakiferufusevazu.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/ba79169b60add27aa97cf7a6b16f37a2/rasisejotusozonufipeziv.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070cb7c6215c---76287497811.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/3m32ipfoma1s8g02l47521c04j/37569691125.pdfIn PDF document text
  • http://firegallery.ru/img/upload/92753933125.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/0mg2306b1u426p9gvc4vbc7u63/5314014741.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/4d4d1e7b7987eb1583cdb41167d0dc8c/noden.pdfIn PDF document text
  • http://npi-management.com/ressource/site-image/files/bugaxudedabe.pdfIn PDF document text
  • http://fabiocaronearchitetto.com/userfiles/files/4036546740.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e691c5c4f8e---70956473389.pdfIn PDF document text
  • http://martonelektro.hu/files/file/nedilijitezu.pdfIn PDF document text
  • http://househouse.it/userfiles/files/86345266835.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/73394947419.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=handbook+of+biologically+active+peptides+pdf+downloadPDF 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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