Malicious PDF — malware analysis report

Heuristics 6

• 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 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://wchs67.com/clients/f/fd/fd50fd9748f3592dabdfdad26f378f15/File/dawejurezutep.pdf In PDF document text

  • http://korean-school.hu/hangul/userfiles/file/lexakexiva.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d0b74df87---javedupumiluxarubaluda.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090427fbb08e---vajisivixigop.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2c9a7eec2---13069892580.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46713130262.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/22137194219.pdfIn PDF document text
  • http://naturallabs.de/userfiles/file/84841399145.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-7-3/20210703154431680253.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5032e244c---favigenuxiloxolexeb.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/df71a0l9cigilpujm8hpnrrl2c/27805332505.pdfIn PDF document text
  • https://hizlipin.com/calisma2/files/uploads/damadenezuk.pdfIn PDF document text
  • https://arzhosting.com/calisma2/files/uploads/79385032850.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/kavizixu.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/90jqidk36imjkdpfqd1jua2uph/vetel.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210505142400_647669123.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/pctus9qbavc8c61s7h5h14mepa/7645516010.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20210623125823.pdfIn PDF document text
  • http://jp-cable.com/d/files/wufatunowotisizobeter.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/175feca9ef025bb94d1bb02a95ac6163/20883790002.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/uv1dqb4v8b791geq13hm5g6j94/zipixemebezow.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/b54dqre3p8trnk18av6nj3e9ov/19695604449.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab3372f5f8---2272807546.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/c6bbb16c988fe1a0df93f6997b047fb5/91689171340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=feature+writing+in+newspaperPDF 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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