MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. It functions as a link farm, directing users to numerous external URLs, many of which are hosted on compromised websites or disposable domains. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics suggests an attempt to leverage these sites for potentially malicious purposes, such as phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://crysiq.ru/uplcv?utm_term=pubg+uc+hack+for+android PDF link annotation
- https://foundryindia.org/userfiles/file/46702416217.pdfIn PDF document text
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/18137091004.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6cdvkb2oo1fqp70rdr40clbo85/79847726866.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16087ffa256dcd---widub.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba77c699848---fasekenidup.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/b0e969214b302fc69786c6c8f4839a8a/jexisumomejujigegok.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/71538422556.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f637b4f066---kidodimafosowefexi.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac92f7169bc---77854838697.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160ac20c9add3b---41903585718.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/rediguvimobukezadugedivo.pdfIn PDF document text
- http://edgecs.net/documents/82146123362.pdfIn PDF document text
- http://ttlh.vn/storage/ckfinder/files/xagurobewedaw.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d9d7856f380---goguwo.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/sp3195rq75japmhtjn8he8f2gq/7174196393.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/98068230070.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/1dda4772a89ba95615a976ef8b3e0973/pogapozikotixejir.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/chhvokcjchqrlros6fr7ng1mkg/12036380988.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/rijim.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210621_2DD36D6FD76B155D.pdfIn PDF document text
- https://hmanagement.net/userfiles/file/zezitatutikukoka.pdfIn PDF document text
- http://itfind.ru/uploads/file/lokuzopevixabutotewu.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/a94e46e6f0dea23bd582dd4bc12a9deb/73192109009.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/ki83vkl3ogka9c9nuh6c1ed9a8/25438048259.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da7713ad7f---fakajiwisinufames.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF083 | 17848 bytes |
SHA-256: 80b105f90f81482765a7c3236e7352410b125e339443c9f05d013bf85c19664f |
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font_01_sfnt_off00011ed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ED7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000136ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136EE | 10644 bytes |
SHA-256: 769e54ab2ff2d3709468c0ed674ef8e2ccca499e50a2de38f790b0a518c129da |
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