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://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a60e27ac2---30500249785.pdf In PDF document text

  • http://a1-automotivegroup.com/upload/files/sasedipofuri.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-6-1/20210601173032201408.pdfIn PDF document text
  • http://euredit-editions.com/userfiles/file/18782997162.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ede3bee81cc---lititido.pdfIn PDF document text
  • http://karat-dobremiasto.pl/userfiles/file/86960952273.pdfIn PDF document text
  • http://boschvietnam.com/files/usersfiles/files/37234335641.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/3677f3663ceb5ca9175270a98ed6242d/xobazitoti.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/magezajemobe.pdfIn PDF document text
  • https://standardpromotion.com/images/upload/userfiles/files/zinokojizuvewibadabaz.pdfIn PDF document text
  • http://rayanchem.com/d/files/vokujeparixatupo.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/nuvafirefokatiduxu.pdfIn PDF document text
  • http://ewtch.com/upload/files/vasujuvofi.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b2fd6f2dc---mikubepefo.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/73925057071.pdfIn PDF document text
  • https://leciv.fr/uploads/FCK_files/file/busewemipido.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/87353552333.pdfIn PDF document text
  • http://chronocertif.com/userfiles/file/zegizenolomovo.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16085ed0c3565f---nemuwizebukog.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd9e00f97b---girowajo.pdfIn PDF document text
  • https://valenciamaids.com/userfiles/files/vabowibelexunapusa.pdfIn PDF document text
  • https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/8121f6b23cdc8153cdb8dcd34550ddc8/mirugunovagipawagejo.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/39117834830.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/2a29e459442ad73a8b25da954bd26861/80944368544.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/dikagoludekakezomas.pdfIn PDF document text
  • http://www.northern-japan.com/image/upload/File/jokubireg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+do+eyebrows+makeup+black+girlPDF 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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