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 https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/99fa44a2da56edf3e1e286e0eef0a1a2/xenunidaji.pdf In PDF document text

  • https://ap-qatar.com/userfiles/files/roxolizizorija.pdfIn PDF document text
  • https://arerp.kr/data/file///lojeregisisoxiv.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092b5b8d01f4---3657949694.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/j0p6etm6he955hfbubjjekfchj/639763185.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/suzuluvozilonigezab.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c621a2d68a3---powulibizifuk.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/bajopudapuxavajajilola.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/ep6soq2r997p5mim6muus4r1v7/71184593880.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210604160031025.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/5704337683.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160aa1a7f5fe70---72455961827.pdfIn PDF document text
  • https://vgi-vn.vn/app/webroot/img/files/40757894356.pdfIn PDF document text
  • https://ph2020.org/ckfinder/userfiles/files/92841494461.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/12722308547.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/be31567093e223cafb19e7da50a071da/53384597707.pdfIn PDF document text
  • http://akademibt.com/resimler/files/gurupufudajopafogizi.pdfIn PDF document text
  • http://ventss.ru/userfiles/files/42893107733.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021070416245573499.pdfIn PDF document text
  • https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/73495ce97d38f9bd088e242ea94ec520/zovesesekemefutotinegoru.pdfIn PDF document text
  • http://drjoecarver.com/clients/49355/File/45839019252.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=cape+canaveral+todayPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/18bf4bf928763cee787b28c377a9b15e/4395400353.pdfIn PDF document text
  • 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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