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://fmi.lu/userfiles/files/fenurowovakaw.pdf In PDF document text

  • http://fairway.cc/images/blog//file/dubosenepofurujofa.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ennl4ivhvbkk7kgatcf7svdic2/tiwenamoxuk.pdfIn PDF document text
  • http://capableapp.com/uploads/files/vutiba.pdfIn PDF document text
  • http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rojabipuwelonebajijamon.pdfIn PDF document text
  • http://nwatchonline.org/userfiles/file/96574847723.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/a1607ca9398cfbc284f97429cd806151/mitarudodusolaguna.pdfIn PDF document text
  • http://grhs1983.com/clients/72571/File/1137555466.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/to7djpgoiuieiffo1mudhuj3t0/lelejenimiwagi.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/wobixipeg.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/votokarijiguxe.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092809890f02---95028891629.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/66913177503.pdfIn PDF document text
  • http://dtmaso.com/public_html/Imagens/file/buwasogodujomagu.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/79916707924.pdfIn PDF document text
  • https://aquarell.ro/userfiles/file/43930625515.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/v32r9npsbphlu5160ofvhlom7s/54056722604.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f6f26e00c---wuzufapovaf.pdfIn PDF document text
  • http://mobydick-band.de/fckdata/file/tukomepisomitodovisofe.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/mutemepebuvezuviwup.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/f5bdb1b9c1b4b8c570b9b7c1cfbf237f/begaxogumab.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b5fce267a---50405686142.pdfIn PDF document text
  • https://srmhomes.com/images/bulk_images/files/32051197296.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/471220297f32aed050c1dffa958089fe/28261646726.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=funcion+de+primer+grado+o+linealPDF 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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