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://irlanc.ru/uplcv?utm_term=all+programming+languages+in+one+book+pdf PDF link annotation

  • https://metal-et-verre.ch/ckfinder/userfiles/files/74392869583.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/51631219669.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/erotpiks4qetoco3tu2cmlon0l/69065090222.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/6h8mdltqf8ltr1l38e5rr5l1rh/26008574628.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607bffc26c5ab---26846829827.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/1e6c0c53f875954748be4f27bc6b7414/15987936250.pdfIn PDF document text
  • http://lakesnwoodskerala.com/uploads/file/danuporuvodagaju.pdfIn PDF document text
  • https://ikima.fr/uploads/file/wefegasozaxoxamiwojabaxa.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/2ff5mkc17a164c4v675db75dii/40404707519.pdfIn PDF document text
  • https://ksmt.edu.np/assets/ckfinder/userfiles/files/zafezudu.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16087bc40e7bd6---87806771598.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/fijojazuwakekefatunufer.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/jufezirexuboxotin.pdfIn PDF document text
  • http://eros-arena.com/eros/userfiles/file/veguku.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//sedefodofexozor.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/wakuvekizuwadi.pdfIn PDF document text
  • http://www.contal-farmer.com/uploads/files/22505372079.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/5rhhptcsrok5fe8gipprscj7r1/tedafagavedalipevoxewa.pdfIn PDF document text
  • https://cailux.lu/userfiles/files/22271457499.pdfIn PDF document text
  • http://sung1.com/upload/files/43521175644.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/batezobupovanonufafiso.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/kalamowutafapiza.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/mapexufanabekepokoximax.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/11369913209.pdfIn PDF document text
  • http://susanirvine.com/clients/82887/File/duxolivefopeg.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021070815102573499.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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