MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to multiple compromised or disposable hosting sites, likely to distribute further malware or conduct phishing. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://goodluckfishing.com/ckfinder/userfiles/files/feludovurajaridaxibijose.pdf
- http://apsencollege.org/test/fckeditor/file/79600993865.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/n1ifut8i5ui3134trk8ag0qvo1/biwexozoluva.pdf
- http://veterani-pushkino.ru/userfiles/files/donopeboli.pdf
- http://alnadaoil.com/userfiles/file/rezixizododuwuxirov.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071f4130c8bd---10503712466.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d6edb171490---84819444797.pdf
- http://kubablimel.pl/Image/files/10644822947.pdf
- http://www.masozilina.sk/ckfinder/userfiles/files/53466699432.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160c010576629c---62375301700.pdf
- http://sushikyototogo.com/uploads/files/1306199653.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1ccd9a3b7qc8p6jjp5sjercjp7/1763333858.pdf
- http://www.contectrade.hu/fckfiles/file/68227801140.pdf
- http://rockhousemethod.com/ckfinder/userfiles/files/20508159488.pdf
- https://nguoixunghekiev.vn/userfiles/file/pirijotazibeged.pdf
- http://fotografoenricogiampieri.it/userfiles/files/27149113432.pdf
- https://avigailpekelman.com/sites/default/files/file/81377676242.pdf
- http://challendor.com/fckeditor/upload/file/xodaxevefeduxoro.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/5310822779e813d8b382f55175baff18/gosuvawuwekopokunun.pdf
- https://digireg.cz/upload/93304796554.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/7p7h48hvud1eo3shiik989g0sp/verezofuxujizibumat.pdf
- http://foto-klub.dk/userfiles/file/55739668689.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=result+of+the+dred+scott+case
- 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_off00011eeb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EEB | 16792 bytes |
font_01_sfnt_off000136fd.bin1295fe4db583e01c2cd544736a7503d68cf33ad2bdc267658a05935bf8700246 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136FD | 17132 bytes |
font_02_sfnt_off00016375.bin2b3c2485b908d7a86e77f6852efa2f43e1a95204b9fca421d74fee203836da18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16375 | 10520 bytes |
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