Malicious PDF — malware analysis report

Heuristics 7

• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://klefmarken.se/upload/file/kiwufuvedeninefujiwaxego.pdf In PDF document text

  • http://ahlhy.com/uploads/file/112205209800.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/vs09po1g1u37ljgn9tfo195di7/6150434637.pdfIn PDF document text
  • http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/18381395044.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/2570f85d8e9c4597186c5f558a4362f8/28685639707.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/66127229388.pdfIn PDF document text
  • http://barexkft.hu/userfiles/file/vetadumanaduzemiz.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/73837757266.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/bezuxizopifefupeg.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16112e1b72109c---30169537038.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/jgevqn3br3i0cp8v5j9c0kt5ig/32664108137.pdfIn PDF document text
  • https://bobecoingatlan.com/uploads/editor/file/zavoduredupunovupuwaran.pdfIn PDF document text
  • http://1qjd.com/upload/files/2021-08-08-18-30-08-DFgMb7Pq.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097c8970c0bd---didokulogoxenolowub.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/wisefititip.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/fb4babbb9b0a23b5c87060f1d32cef5d/tanunobegarerewaxemoxarol.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1217f051c2---85603566504.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/16920053603.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/92863737246.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/vaziwetusovutusamuligesu.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7d5993ccf---papedogejiwivusituru.pdfIn PDF document text
  • https://jagamimpi.com/contents/files/12550497494.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/26067249831db0a53d48aa784eddc580/tunokade.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/towodidomamomobeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=project+management+approach+pdfPDF 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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