MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised WordPress uploads and disposable hosting, suggesting it functions as a link farm. These links are likely used to redirect users to phishing sites or download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://queure.ru/uplcv?utm_term=install+adb+interface+driver+windows+7 PDF link annotation
- https://nocenzura.space/web/img/podborky/files/dedofuguxetesasojabowogu.pdfIn PDF document text
- https://lotteppta.com/beta/assets/file/lusoxedogaxedozudavozuvi.pdfIn PDF document text
- http://jpind.pl/userfiles/file/pitenawoj.pdfIn PDF document text
- http://vitalchurchesinstitute.com/files/file/83524196997.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/49519809298.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/sogedixowebuforolulisata.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/63363115637.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/kakiseluwakedig.pdfIn PDF document text
- http://hortherbpublisher.com/files/upfiles/file/5480580217.pdfIn PDF document text
- http://laser-piskovani.cz/democms/userfiles/file/47173910594.pdfIn PDF document text
- http://eksternest.be/images/file/fejatulefawixodipifi.pdfIn PDF document text
- https://grandhotelushba.com/userfiles/file/pexesasuri.pdfIn PDF document text
- http://nutranghongngoc.com/media/ftp/file/tabuvexazopal.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/ae92f8c5f1bbd696e5c7933fe7a203cf/25920289639.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210907083140.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134c0e6ea8d7---xuvuwiwefovemalexu.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/40624920165.pdfIn PDF document text
- http://lobanowscy.pl/userfiles/file/84804569559.pdfIn PDF document text
- https://happycolaborativo.com/uploads/files/41464982940.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/161320cacb7a7b---kenopasiremidusugokuvi.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/fapetesaze.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/54447206190.pdfIn PDF document text
- http://fairway.cc/images/blog/file/22619836066.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/detozi.pdfIn PDF document text
- http://melabo.com/upload/files/33914427440.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_off0000d608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD608 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1F | 10760 bytes |
SHA-256: c8b70eac0846ae4dd3ac2245cbc84f5d2f8a21ec075580df199c3bf58ee3f36d |
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font_02_sfnt_off0001071a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1071A | 17568 bytes |
SHA-256: 1391c64c6e1c675be1f26eee077ddbe22d71ba6375f0e49cff314bb4d696fd81 |
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