MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly indicate malicious intent, likely involving redirection to phishing sites or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/fk2ku4di4o8prvembk3dnebar4/39803418189.pdf
- https://balaji-technology.com/userfiles/file/55797310135.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/67479cf10c7f279753a66de2a7e9f1e9/refixikojabuviso.pdf
- http://bagumul.com/file_upload/spaw_upload/file/20210610023616.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c13c8ceac9e---97963301264.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/158ddd6e32a82aa31860333a4074d09f/99094943933.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/2c0aa1abe8055e26f686f83672ba524d/8753908103.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/b41e5052b5c6402d048b626a0555f72d/88645960223.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16090c4f09054d---jumilituboxixagukajemas.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/5tvr0cepksj1f2o7k951g9qna7/fopotomegewabozefa.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd42f7909f---zemeluba.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/564f33085816995e5da06aa956d66862/namigoriroj.pdf
- http://0vote.com/ckfinder/files/24039354805.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/799c90b412a4d8d50c838e66e50e8744/vedidokebediwebup.pdf
- http://lucchetta.net/userfiles/files/xajeziwofetobaxa.pdf
- https://francois-daulte.com/ckfinder/userfiles/files/bodovuviwafanujelinifam.pdf
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081499f9d620---81367956672.pdf
- http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jufupesarokopawafumoboxe.pdf
- http://mariamozharova.ru/uploads/files/12217848026.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/037fb3db930f9402ad49b291e220cfb3/89430512955.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4492a13c69---53816984003.pdf
- http://ergo-logo-bamberg.de/userfiles/file/66826435891.pdf
- http://stellarp.com/userfiles/files/79065521924.pdf
- http://altiro.nl/home/tjerk/file/marad.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=kanmani+anbodu+mp3+song+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb4f.binc99ac9525517ff1aa3f1de25254134b8bca45139d1f718788ab0673e89630a4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4F | 17140 bytes |
font_01_sfnt_off00011844.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11844 | 16792 bytes |
font_02_sfnt_off0001305b.bin1a53c1528febc56d8e77f3967c433fd7baeba852fcf235424c0f2dcd4be587cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1305B | 11232 bytes |
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