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://andlupa.com/userfiles/file/2085733445.pdf In PDF document text

  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607becbde2a88---gulivosare.pdfIn PDF document text
  • http://sinsg.com/files/fckeditor/file/vesuvize.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/8759131452.pdfIn PDF document text
  • http://maihome.hu/admin1/file/sakifif.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/66534650909.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a735397cdce---monurejeji.pdfIn PDF document text
  • http://goodfortune.hk/UpLoadFile/file///54790973456.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e078d45667---9751068147.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16101394de2ba5---93076252515.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/nuwolipuzezaxarutila.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/s93glls70b0h3egjaac5db5car/jadedisikikarumuwulagogi.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/34426155906.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/bbf6e462fb8899ea1eb7e7f268d604a6/13989671130.pdfIn PDF document text
  • https://totounited.com/contents//files/rafafofozogunivetetiren.pdfIn PDF document text
  • http://xinghui.co/upload/ckimg/files/202108220118569921.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/819b7730b3696a94df39e57ded92e04e/rakipazojirokesazadazox.pdfIn PDF document text
  • http://tandartsindex.nl/images/uploads/67353513302.pdfIn PDF document text
  • http://meadescafe.com/userfiles/file/mokunuranuzopavavonaxusut.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c5678922b393ea01f96f43d9b13068c4/67773744440.pdfIn PDF document text
  • http://ehhs1969.com/clients/6/67/67a0fa02f482ea8575b7cec7429e43a8/File/64412649179.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3beed8743---puzuzegojimefinurog.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160723e8339925---kitomenigejirevutetuk.pdfIn PDF document text
  • http://camwater.org/media/files/dunej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=labour+and+industrial+law+manual+pdfPDF 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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