MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm or redirection scheme. The ML classifier strongly indicates maliciousness. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://viboot.com/ckfinder/userfiles/files/risixupidutavej.pdf In PDF document text
- http://uticachemical.com/files/upload/files/wuvogademosagezaratev.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/9rgn2tbf3edtarn5qc8eq5divl/22838944191.pdfIn PDF document text
- http://landpas.pl/upload/file/gikidapave.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/db95702b0e0f25db84a273701f438803/69816407579.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/fi1kpevn5dsonqn492t3bo1nb0/50454367099.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/bt3ndtnbkf2cvobhkn8b1i5p4c/15202550322.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/1ps63qfpbjcnmfkonfse8i68r4/78250302034.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608404ad4e907---tiwajulimisipalik.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c48934eac71---67706849175.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/5dbbb3c881bb3897ca55c76a585072eb/dakupod.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/3432ff0c44b93584caa3f00bd30a7b18/felukizofudimakuzunodetif.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1fd44eb95d---xavowutiru.pdfIn PDF document text
- http://patroha.hu/file/kebiwonepasenukidaxosijev.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/difigetuloti.pdfIn PDF document text
- http://littlepearlspublishing.in/data/eimages/file/35039540795.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b4d0e0573---reximufiwixiguwirewem.pdfIn PDF document text
- https://lionkingbali.com/uploads/file/rilurategeterufike.pdfIn PDF document text
- http://piotrkowska77.pl/zdjeciafile/94803801761.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/kefax.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caed29b8862---pejuboluxiriwudem.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/6329837249.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/89e5a3eed63e6c5d94876dc741d283e4/97643581948.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/mikefejeg.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=my+golden+life+reviewPDF 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_off0000f8ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AE | 10360 bytes |
SHA-256: e69ece813d361e6d6c1236c281a3217a729ac55e7b43217d1c96881ec62c26a7 |
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font_01_sfnt_off00010ff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF0 | 17212 bytes |
SHA-256: ecb7d382fcbb37bca03dbbe2fbef10b5172192717ff563016cce730cc90590ac |
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font_02_sfnt_off00013cd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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