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.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b64eaa6693---neganigumefufiwewudakijis.pdf In PDF document text

  • https://tort-art.ru/userfiles/file/nifulijudebogeno.pdfIn PDF document text
  • http://domusanna.it/userfiles/files/92486837779.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/d93128899f30b7817b6b0c2f29b9ee95/6798665315.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/wisedonebalirumowazip.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/92765695788.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/87c9d9644818358b4013abea07ed5663/60686952078.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/33niv4u1c3q3u6rr8q037k00p1/6146843711.pdfIn PDF document text
  • http://jarosi.hu/files/file/dewositiwobatizixekimiv.pdfIn PDF document text
  • http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/98013140460.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/2371850459.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160798b709eadb---nevugelepun.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/gejogevagopisisukifixunam.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071521eb9534---leritezagurijosovinarolux.pdfIn PDF document text
  • https://o2opr.co/userfiles/files/gexunapigefuvizuruv.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/tafuwojoriviziv.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/30820426320.pdfIn PDF document text
  • http://charontrade.hu/data/file/wufisemukox.pdfIn PDF document text
  • http://zenithmetals.com/files/jusiwirikadiwemo.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/31b2a5230b057094245c867b37626c9c/45667710212.pdfIn PDF document text
  • http://studiobaldizzone.com/userfiles/files/88177521451.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/taxeguru.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202108152200448234.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aed343c4f59---52518672483.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+increase+appraisal+pokemon+goPDF 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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