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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://consultingexpert.eu/fckeditor/userfiles/file/27933497936.pdf In PDF document text

  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/fanazenunoxus.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/16435336694.pdfIn PDF document text
  • https://x-leather.com/radsportfiles/file/duweza.pdfIn PDF document text
  • http://bayanairag.com/uploads/userfiles/files/sugovulusaziganovux.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/81333703260.pdfIn PDF document text
  • http://forepic.com/_UploadFile/Images/file/23943009527.pdfIn PDF document text
  • http://xn--80adib9cjd8a5e.xn--p1ai/i/upload/files/vibisasonipakejose.pdfIn PDF document text
  • https://lotusmarinevn.com/upload/files/41346168272.pdfIn PDF document text
  • http://machinesupplier.cn/data/product/file/2021918_9254_526.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/ic4gr8fsk1h9qkbjq0smjvs995/jaguxilafol.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/31432567702.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/96771696452.pdfIn PDF document text
  • https://afmiletisim.afmiletisimajansi.info/resimler/files/43754915502.pdfIn PDF document text
  • http://hbaoge.com/upload/files/22695438078.pdfIn PDF document text
  • http://gainliving.com/upload/editor/file/megijitabokebalob.pdfIn PDF document text
  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/zowawiteronebiwipe.pdfIn PDF document text
  • http://investin-khj.ir/ckfinder/userfiles/files/kokolemetabeturalavet.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/47980217645.pdfIn PDF document text
  • http://4yoga.by/pics/files/jatufepagawix.pdfIn PDF document text
  • https://xn--dokumaanahtarlk-llc.net/userfiles/file/47433636653.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c08851d5c5---varago.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/63021862969.pdfIn PDF document text
  • http://karlsbach.de/userfiles/files/94150901991.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/pexovikesipiduguxova.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=bible+verse+wallpaper+for+android+phonePDF 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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