MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'link farm' heuristic further supports this, indicating a deliberate attempt to obscure the final destination or distribute various malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://ketchas.ru/uplcv?utm_term=fairy+tail+season+1+episode+5+english+sub PDF link annotation
- https://jnvhardoi.org/ckfinder/userfiles/files/tulelefoxavi.pdfIn PDF document text
- http://loaamtran.vn/files/usersfiles/files/59310473088.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614fc928a21c3---83462745174.pdfIn PDF document text
- http://nitecoreromania.ro/files/file/61298285129.pdfIn PDF document text
- http://logistra.fr/ressource/site-image/files/wozidarizaxiwezozavu.pdfIn PDF document text
- http://dsacare.com/admin/uploads/file/62477408093.pdfIn PDF document text
- https://curewelldiabetes.com/userfiles/file/lezefixosado.pdfIn PDF document text
- https://demideopool.ro/ckfinder/userfiles/files/lolexiraliludoz.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/devesuwozudelobib.pdfIn PDF document text
- http://vdtonline.vn/static/uploads/editor/files/maputonimefizesekutuv.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/17574417531.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/79543508497.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/57260538007.pdfIn PDF document text
- http://mtkshop.com/images/uploads/file/12694964819.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/kpc807e89itjcibpuu3psj1qn7/44691791015.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/kg4hsv62n12bo02nofs5n1b4hk/78139493225.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109052030198794.pdfIn PDF document text
- http://lamarchesainterita.be/lamarchesainterita/imgdb/news/files/67542689017.pdfIn PDF document text
- http://dlugopis.kbo.pl/ckfinder/userfiles/files/87960931064.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/27195306294.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/4c31edd42dca6a179f04f88d6d228502/71643373407.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/kenepi.pdfIn PDF document text
- 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_off0000ae3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE3E | 16320 bytes |
SHA-256: 8b01e2f8031a50596fbdea015fed69813673d9330045e5417609f6c8531da97b |
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font_01_sfnt_off0000d7e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFF | 11188 bytes |
SHA-256: 14fb3867dc92eb3c646f61754184079989efc4dc7210b21fc31565395da03a92 |
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