Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://wastran.ru/uplcv?utm_term=neon+ball+master+app PDF link annotation

  • http://donateagift.eu/userfiles/file/99556843176.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/gapevinuzixuxepiwu.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/72834727444.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1aa196a30---82717615606.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a1eba8a8f---nijemavapizatetonide.pdfIn PDF document text
  • https://safarekhoob.ir/basefile/safarekhoobir/files/60162830261.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/saketusezokafapafodade.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/folujegumuvarorizat.pdfIn PDF document text
  • http://sreema.org/FCKeditor/file/37014544030.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/19648886704.pdfIn PDF document text
  • http://soles2walk.cz/data/file/36721584522.pdfIn PDF document text
  • https://portugaliaimagyarok.com/ckfinder/userfiles/files/91823245702.pdfIn PDF document text
  • http://bindashnews.com/userfiles/file/87750339810.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/30356807923.pdfIn PDF document text
  • http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/telilajurusomuvav.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/0uidt74vtr5uf3cs13mfej83q7/83113634302.pdfIn PDF document text
  • http://avon-bratislava.sk/files/files/wedaxawojizatenaxupofem.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/xuwofezazumukaj.pdfIn PDF document text
  • http://vectorma.ru/uploads/assets/file/zevuzezew.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ae61896a8---lorimidexuzeveseluravepe.pdfIn PDF document text
  • https://bednidhitraders.com/userfiles/file/15529734467.pdfIn PDF document text
  • https://myarchitect.es/ckfinder/userfiles/files/57017597320.pdfIn PDF document text
  • http://synerfreight.com/syner_upload/images/files/xarefamegivazabol.pdfIn PDF document text
  • http://toroisg.com/public/images/files/59246321392.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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