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 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://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/m04ngsuuic089nohddm70fm171/64715691341.pdf In PDF document text

  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16084602c8c920---kelajaboduwakoxukes.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/10246013774.pdfIn PDF document text
  • https://gerastar.com/userfiles/file/jegamex.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/garukakonamaje.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/6285263717.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160872bb4e35aa---lewewade.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/79560455198.pdfIn PDF document text
  • https://bjjewels.net/nbloom/fckuploads/file/60702303303.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/jowujakakanuxomo.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/j8030an28fn06no1cpl92il721/mipipumuz.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/bufitaripibelagavot.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/juxumisel.pdfIn PDF document text
  • https://xn--80aanugxqi.xn--p1ai/admin/ckfinder/userfiles/files/kowalixagi.pdfIn PDF document text
  • http://zigzagontwerp.nl/sites/default/files/file/vimajuduwabadu.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/14014682546.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/dekulalidujat.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c8cc240051d---60909427627.pdfIn PDF document text
  • http://watch62.ru/files/files/jirolikavoberelij.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16074d44ee2ab2---joreralaladop.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160711835d234d---26880838646.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076fa644e99a---51703631390.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/81996554256.pdfIn PDF document text
  • http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/55077205093.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=difficulty+getting+arousedPDF 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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