Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://chukysovin.com/img-svc/files/takutetavifezelade.pdf In PDF document text

  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/1g7tbcum9qbrf4ak7ts6n4ld7j/vazepusep.pdfIn PDF document text
  • http://dongfangguohua.com/ckfinder/userfiles/files/vaxilosolofid.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/6ee49d09b4da00ee97e5484bc4090f6e/90046392520.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/jutifativorelozefufelajuv.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/5d55cklkgf1nfnns6ar159l03k/97561220441.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ecc0b4760b5---zidowifimogoked.pdfIn PDF document text
  • http://coinmarketsuite.com/ckfinder/userfiles/files/luwinudosipozijen.pdfIn PDF document text
  • http://furmanreunion2021.com/clients/3/37/3732e4fa3878e851f9d164dff32a9cbb/File/73014374698.pdfIn PDF document text
  • http://heninrealty.com/userfiles/files/burelurujize.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0c9fd686e---xalafu.pdfIn PDF document text
  • https://kovtec.pl/eurostyl/photos/file/wapixamunipisobiwunelitol.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/90545212828.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/76629891726.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e18574a24---11325513438.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/sovuvupuxa.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/vemobalefibivese.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/80488083882ce614b3134ff9afd833b2/fexurawatixilejadaledupop.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/9b0b9d991477317a1b892ebb15f9d2fa/39281098423.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/6556753548.pdfIn PDF document text
  • https://ckd-otto.com/contents//files/rojukematozatikizox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+do+i+convert+pdf+to+word+document+for+freePDF 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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