Malicious PDF — malware analysis report

Heuristics 6

• 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 https://hoalavender.net/upload/files/30092854845.pdf In PDF document text

  • http://amdind.com/userfiles/file/38213427486.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/fcd1c9cb1b84d723bb7b009d6f317269/pakubazebabajikugelusixi.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/dopogux.pdfIn PDF document text
  • http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/4088427453.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee694e080a---61669993235.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe264131d0---ropajuvukoroburivedunebu.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/65295788514.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/34497708730.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/25989351070.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839ac9c7457---23484841988.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/66372671494.pdfIn PDF document text
  • https://badoza.net/userfiles/file/kobemud.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/o0emes6hq4vjdltni9gg7e4gv3/10616213605.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b80c3adc67a---jokixiredejotomesaka.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/wewudimiroditoselefutij.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/varinesunaw.pdfIn PDF document text
  • http://goref.ru/files/file/27759379508.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/ec0bb0f03e8f0abdfb54f6e2ef873ce2/bukaxatul.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/12166265604.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/8un61ise0jtibnq7p6l6tnk1d5/31490539092.pdfIn PDF document text
  • http://kayapaliinsaat.net/file/25862788060.pdfIn PDF document text
  • http://manu-transport.com/documents/file/lizafuta.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/35949940351.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/nivuxeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=80+ounces+equals+how+many+poundsPDF 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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