MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple PDF-specific heuristics related to URI and link farms supports this assessment. The primary goal appears to be directing users to external, potentially malicious, web content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://mweb.cz/images/file/bebonamegibogefodit.pdf In PDF document text
- https://nurdagihaber.com/resimler/files/88964299037.pdfIn PDF document text
- http://jatechkj.pl/upload/fck/file/pokubojisav.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ur3c4n2ms1toblnickgtdcmp24/65916108216.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/3620346214.pdfIn PDF document text
- http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/fedewafilaxenunelixo.pdfIn PDF document text
- http://justsayhi365.com/uploads/file/tojufavujepexeriz.pdfIn PDF document text
- https://cfbadalona.net/ckdata/files/86395559979.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/85870282562.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/75714692407.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/73114085129.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f18cdc4c9b---vamitagaxexunibijafoxuza.pdfIn PDF document text
- https://ocw.tw/uploads/files/46523479340.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/xomizeterelanur.pdfIn PDF document text
- http://zeci.nl/im/image/livupogaxukewidud.pdfIn PDF document text
- http://phone-server.com/userfiles/file/bolefibovalesovututujuz.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/gafosuxavogewof.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/7494038d05039d83e79efdbc575aec88/72001919133.pdfIn PDF document text
- https://mikludava.lt/images/files/wilatodaworavig.pdfIn PDF document text
- http://ruizhishengwu.com/uploadfiles/file/152021523849.pdfIn PDF document text
- https://www.domaine-vrignaud.com/ckfinder/userfiles/files/16923716789.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/f63sd19ik56l6lq9rgv4akas25/16074243338.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613141bf71399---29393983702.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=new+international+business+english+tests+with+answers+pdfPDF 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_off0000eae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F9 | 11080 bytes |
SHA-256: 696e18fdde2dde632ab6a11df82bf78f696adfdf002b9753f4749ccf04388a21 |
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font_02_sfnt_off00011c58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C58 | 18028 bytes |
SHA-256: 1be32bf61b15af0dfac134f680f52c7d4e7c4280a6bbbe6d53a3f47a11c6bd7d |
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