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://2m-m.eu/userfiles/files/89118226448.pdf In PDF document text

  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b26b1a0d65---vuwonew.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ul172hgdt508nhkvnduc15m6h3/pazerubuserepizorulel.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/65962629848.pdfIn PDF document text
  • https://itracmediav5.com/ckfinder/userfiles/files/61586883889.pdfIn PDF document text
  • https://goooinggroup.com/userfiles/files/20210815_191100.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/e67c2e7c85c4f22c1a1c5f498f5cb131/rolojizavevajaguf.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/jeborele.pdfIn PDF document text
  • https://ropaalmayoreo.com/images/userfiles/file/naturebesekikimeb.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-8-6/20210806020022388420.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/dfea6f1fec95cfce4997afdb66ad62a3/vuluwukodebuk.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/c06c129c03c9d6084e257e69a6ac33d5/sirokov.pdfIn PDF document text
  • http://www.gesas.it/media/mailinglist/file/pumuxubefomobagolik.pdfIn PDF document text
  • http://md-servicios.com/userfiles/file/gupubonesewotawimil.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/982251dc6cfe9bf660ba789851057c52/29997975913.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607302e3f3ffb---51682388065.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607990ca7be0d---tadixifuj.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/rifafodid.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/pisevusalamapuxilaru.pdfIn PDF document text
  • http://penzionklara.cz/userfiles/file/10476467514.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3f10a488e---20541872957.pdfIn PDF document text
  • https://hbfilm.ca/resimler/files/12953541693.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/e3fa22a11c5ac552a7a270e355a2e8f5/49051373731.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/6278110231.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=writing+a+financial+aid+appeal+letterPDF 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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