MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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://serpavenger.com/ckfinder/userfiles/files/faxizalat.pdf In PDF document text
- http://kangshi-you.com/uploads/files/202109090004218791.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/25852241485.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/bikere.pdfIn PDF document text
- http://dostrojar.sk/UserFiles/file/zowatewidewarozaxitog.pdfIn PDF document text
- http://casms.org/atts/news-files/file/vojudedobidirinase.pdfIn PDF document text
- http://www.scsk12.org/policy/files/files/koraxulebokoximopotas.pdfIn PDF document text
- https://ozmutludokum.com/userfiles/file/54639098232.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/37379507153.pdfIn PDF document text
- https://suacuacuontoanphat.com/upload/files/pikotakoxezed.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131852732a18---77191366612.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/jafelixojilalilegux.pdfIn PDF document text
- https://haltia.mx/sii/ckfinder/userfiles/files/64811638985.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/70859671535.pdfIn PDF document text
- http://mwflower.com/upimagesfile///85746924120.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/n5pmrvsgnahrvll6g7168fo848/pipusonidupefajumo.pdfIn PDF document text
- https://viadagio.be/userfiles/file/10180155163.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/10044303359.pdfIn PDF document text
- http://sushiloverca.com/uploads/files/xagogi.pdfIn PDF document text
- http://ave-france.com/pics/files/15374383382.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/varizixotulubipoka.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132838a66b8b---31614019636.pdfIn PDF document text
- http://residenceraffaellotorino.com/userfiles/files/98785908021.pdfIn PDF document text
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/fawuneru.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/garixexe.pdfIn PDF document text
- http://melodylavernebettencourt.com/media/file/kotedukipon.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+get+deleted+contacts+in+android+phonePDF 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC08 | 10872 bytes |
SHA-256: f072af81cb28ad933d4c9fde0f93a1e1f4dff4de4ba00fabafb2c10f7628617b |
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font_02_sfnt_off000104de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DE | 18532 bytes |
SHA-256: 3443b2403a002f855364dfc92cf78eb313139f262b1e368cc5cc06503eb36cb8 |
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