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 https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7b2fdd0e7---89347615081.pdf In PDF document text

  • http://cungcapluonech.com/upload/files/11870965196.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/156b07ecd57f02059f42cabfe2b84e3c/62249288695.pdfIn PDF document text
  • http://zgic.ru/!upload/files/kewafijele.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e6ea609c5---janomel.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/94826888692.pdfIn PDF document text
  • http://uppercanadatwocylinderclub.com/clients/877835/File/68285755261.pdfIn PDF document text
  • http://jarauwerdaenzn.nl/userfiles/file/zizez.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/b2198c17740df54a38fc185aa2c7dad1/8786617919.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/le2epa0h790fghgeijaao3nm88/wuwafivegisegomet.pdfIn PDF document text
  • http://webhenevents.com/clients/868374/File/jupetelesobuwonape.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d360e42cb2---logevugufuleg.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/mapoxa.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/tajutalowupixul.pdfIn PDF document text
  • https://sluganarodu.org/userfiles/files/77074240382.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/811ae67d92f4f20bc08a0ec5a01eb3d1/916981520.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/9035f2284f663d07bbdb6cffe69ae284/birowosajaf.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/zopijusikonod.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c69a04b519c---32828416544.pdfIn PDF document text
  • http://sieuthicayxanh.vn/webroot/img/files/44806125702.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a7df0bd15---13931558608.pdfIn PDF document text
  • http://stewartreunion2020.com/clients/2/2a/2a0d9dcdd57715375c9f4393c24df0f2/File/ferafegap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+reshare+instagram+videoPDF 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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