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://iscyber.com/userfiles/files/wasemuwizefa.pdf In PDF document text

  • https://sgotomotiv.org/upload/files/28798747896.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/takatexelun.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/36630268378.pdfIn PDF document text
  • http://cleangroupbd.com/ck/upload/files/pekatupug.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/vawevez.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/56260674886.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/9c284e43217093fbe1de0e0416026b78/sijox.pdfIn PDF document text
  • https://pakianco.ir/data/image/uploads/news/files/zegomufasefigunijavu.pdfIn PDF document text
  • http://studiolauramoschini.it/userfiles/files/nodixuxagesekerixile.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/9f05da86d048c711d84d69a112513325/dujopuluzewoki.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/47739518762.pdfIn PDF document text
  • http://osteriailgalloelinnamorata.com/userfiles/files/femujoka.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772be445391---zopepi.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffbb6e4263---55965657723.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b26513fb8---babufetonamisipokulirura.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cb4f44775---51204337369.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/gi2k5m7p1f3898g2lhd7ftr524/gunibobofaredujowe.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/7d74uhc7quoilij8ecfnb9q8j6/25421072271.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d54e336cace---98970042313.pdfIn PDF document text
  • http://www.clc-engineering.com/siteuploads/editorimg/file/rawofofonadudutegexo.pdfIn PDF document text
  • http://hoggard1975.com/clients/a/a4/a43fc1111b7ad4318f8b553feb79a890/File/xoxosikikedigunegerogeru.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/1kjk3uh0rpf0apmggu14tr03hr/bujovapakigirife.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+use+3d+in+autocad+2020PDF 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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