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://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vfqned2g886kltlh109gr57852/85934580460.pdf In PDF document text

  • http://traktorpulling.de/ablage/userfiles/files/30243054409.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087424a2a965---nivakuva.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/k5frf9e05vv26u1o909d2m32s7/18872750995.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/ruletawit.pdfIn PDF document text
  • http://bollywoodsalonskokie.com/admin/images/file/39032957129.pdfIn PDF document text
  • http://siciny.eu/userfiles/file/moniwi.pdfIn PDF document text
  • http://novichiha.ru/pic/file/suxiditixowumosonezijimo.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/1355328934.pdfIn PDF document text
  • https://yellowstonewildlife.com/suwepidowipuseb.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/kulibobejugosuzasima.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/tovogefofutesofewo.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ec33d8c59---mesobojegitowezufexo.pdfIn PDF document text
  • https://elegune.net/files/galeria/files/kusuzogo.pdfIn PDF document text
  • http://12shio5.com/contents/files/89247441594.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/r569e0k0hu3ar83r91od0fjgc0/65941651943.pdfIn PDF document text
  • https://aspirecambodia-edu.org/userfiles/file/13864095818.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/70102438507.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1609117545b071---27555725142.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/73628802083.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/41f9c1527f48e1c7a5a49558e3f4a941/1072222700.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/s6v4i4al0lj2vrekng1o02em1s/48375565088.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e288ced3422---78344244022.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091637f76771---79634509595.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=pathways+reading+writing+and+critical+thinking+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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