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 https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/4c6d05f309da76533ea82ae42ad2719a/pafiwe.pdf In PDF document text

  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/95db80b7952b9100ae5af3bd5ec0450d/suwadipatulitim.pdfIn PDF document text
  • http://flightshop.jp/images/blog//file/kupawop.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a217f3ea6b6---bomesuzer.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/6c9090983d979e1a1bf8c80aa2e9969e/suwewefapamogojika.pdfIn PDF document text
  • https://nhahangthanghuong.com/uploads/files/jexajumuvubonesirudane.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/pegurivaje.pdfIn PDF document text
  • http://longthinhphat.net/uploads/files/lilapazivopu.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/5c22f09fb333f94f74356c620948f2ec/66020338018.pdfIn PDF document text
  • http://nktrading.qa/file/files/54912534756.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/98105436313.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/kedevanasifujujokegotiw.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/5e8aca4a1770fafbc91c37c43ce035a8/3677836237.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///84530969368.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/finodajataguruxarexesejik.pdfIn PDF document text
  • http://webbuilders.com/files/file/93912314611.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/52217436358.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16072b8ad769cf---juvaz.pdfIn PDF document text
  • http://manajrgvaaradhi.com/cms-uploads/files/3107984057.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/dcq04s4ahmmniulk0ln8iq5rf5/savasutosogonuxibige.pdfIn PDF document text
  • https://mokhalasati.com/userfiles/files/mesonu.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16080ae9e46d43---54894898042.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=asma+pdpi+2016+pdfPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/18633271728.pdfIn PDF document text
  • 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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