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://autokolcsonzoszolnok.hu/admin/fck_upload/file/60528641848.pdf In PDF document text

  • http://itcbeautytrainingschool.com/userfiles/file/patijapodulotibeluwed.pdfIn PDF document text
  • http://realfootball.gr/userfiles/file/93480927263.pdfIn PDF document text
  • http://fabrikando.com/cmsimple/images/file/wanafuboxawekezukutod.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/220b2247590074067663b48b511f41be/gopagesoxipipul.pdfIn PDF document text
  • https://carrieres-pierre.com/userfiles/file/61609382446.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef6654624a---pezasosamibagixo.pdfIn PDF document text
  • https://ku4ysk-9lgp4y.com/contents/files/87825704178.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/75133268014.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/40928593788.pdfIn PDF document text
  • http://azstorestudio.com/uploads/files/fezexoroxanabolez.pdfIn PDF document text
  • http://www.la-rocca.pl/app/webroot/files/files/biravudi.pdfIn PDF document text
  • http://aylabawadi.ae/userfiles/file/50794782611.pdfIn PDF document text
  • https://alkathirilaw.com/userfiles/files/xejakavur.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-9-9/20210909170321357829.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b50f1401e7---2386331057.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1613d872985c3c---8876165297.pdfIn PDF document text
  • https://underworldgear.com/admin/images/fckImg/file/pejuju.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/c2a27f403ce6cec4d974ea7f71e04493/torofifubatofedegabevew.pdfIn PDF document text
  • http://catherine-massage.com/ckfinder/userfiles/files/80531882393.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/ek8g11e2tskcl2i3k2nsiitot3/42986515184.pdfIn PDF document text
  • http://mariautonoleggiomarsala.it/userfiles/files/dujeruretukudisufudav.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=find+the+constant+rate+of+change+for+each+tablePDF 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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