Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://wastran.ru/uplcv?utm_term=boku+no+hero+academia+season+3+kissanime PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161429f3b743dd---33337739020.pdfIn PDF document text
  • http://inkjetartandimage.com/Uploads/file/73063940503.pdfIn PDF document text
  • https://monyetjoget.com/contents/files/weritulokarilanofe.pdfIn PDF document text
  • http://baoveantam.org/upload/files/84769841806.pdfIn PDF document text
  • http://eventclub.pl/userfiles/file/85745977544.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/73445266443.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/46c3450442daf2732774acc0703f037b/52348176512.pdfIn PDF document text
  • https://mondoaudio.it/img/uploaded/file/6020408567.pdfIn PDF document text
  • https://castilloexterior.net/ckfinder/userfiles/files/kivobelarut.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/zugijobi.pdfIn PDF document text
  • http://mobilenmr.com/files/files/9437560033.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/41728863314.pdfIn PDF document text
  • https://bc2000.order-pro.com/ckfinder/userfiles/files/65233303489.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/buwajusa.pdfIn PDF document text
  • https://viadagio.be/userfiles/file/25262833659.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb118fe42---ladereso.pdfIn PDF document text
  • http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/60191263574.pdfIn PDF document text
  • http://trust-law-firm.com/userfiles/file/20210910040711_954626975.pdfIn PDF document text
  • http://dungcucaytrong.com/images/files/41594494871.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/82m0mvj7dnqs1mrcbb0rng7ga2/32947630756.pdfIn PDF document text
  • https://associazionemusicaviva.it/uploads/file/rirokeluresutaremivikuka.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7e68cf8d4---lafogubakovumotodilowow.pdfPDF link annotation
  • http://elmbbq.com/uploads/files/xodupu.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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