MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the PDF structure strongly suggest it's used as a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://chukgoobok.com/files/fckeditor/file/vitefonepumimoru.pdf In PDF document text
- http://tamlaproject.com/userData/board/file/nizuwavevedimepalujosesa.pdfIn PDF document text
- https://wecareprogram.org/images/file/nupirifineb.pdfIn PDF document text
- http://aokisuper.com/ckfinder/userfiles/files/383695657.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/36878184735.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133d0ae88b49---46616577440.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/ritatoluzutexukovoxi.pdfIn PDF document text
- http://hzosm.com/images/upload/File/49227688100.pdfIn PDF document text
- https://larustt.com/upload/ckfinder/files/fakiko.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/92c557a8a2307448b79db1304d3f6b21/13639002963.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/rexememizibesosiratijazob.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/12416715396.pdfIn PDF document text
- http://kovofilm.cz/userfiles/file/vemupimuxifimaxalogobeg.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/wowudaboxizomulugapaxeman.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/49451116009.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/sadagek.pdfIn PDF document text
- https://hoavily.com/uploads/files/94576496192.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/jitekanelajideti.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eecbf15c61---nizagovusaledowuwoliguli.pdfIn PDF document text
- https://www.ruchya.com.tw/upload/files/noriv.pdfIn PDF document text
- http://ducnhua.com/upload/files/dirowuwitokokaloxilogu.pdfIn PDF document text
- http://eot.mn/uploads/userfiles/files/24890344407.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1614037b5e7568---siginav.pdfIn PDF document text
- http://afro-safari.com/upload/files/mijutekopoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=mi+box+bluetooth+remote+appPDF 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_off0000dc70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC70 | 18584 bytes |
SHA-256: 6436dfa408ce9cc6d34b66dce5d88e7cd2a10725bc51a7abdeda38298645a30b |
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font_01_sfnt_off00010c0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12425 | 10580 bytes |
SHA-256: 90204abcf1076fdc2249f3ac0344908c8c518efded8b65d669e7d2ebe2f81310 |
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