MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. It contains a large number of embedded URLs, many pointing to suspicious domains, suggesting a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights the use of disposable hosting and UTM parameters, common in link farm and phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16144eec60cb3a---63343712399.pdf In PDF document text
- https://samsungklima.net/upload/ckfinder/files/55574781621.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/4960042205.pdfIn PDF document text
- https://paeonia.ch/userfiles/files/20153862892.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/18453558310.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/jufebuzufabolivuzesid.pdfIn PDF document text
- https://el-tall.pl/pics/file/21551808423.pdfIn PDF document text
- http://gillsandgeckos.com/userfiles/file/8829501129.pdfIn PDF document text
- https://endobible.com/userfiles/file/lusaxixujulipilu.pdfIn PDF document text
- http://koslita.eu/ckfinder/userfiles/files/48404981122.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/44271017548.pdfIn PDF document text
- http://retrolondontees.com/userfiles/file/guzepazixerub.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/17963745540.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/kiwotesax.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/xuzetag.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/46560845858.pdfIn PDF document text
- http://hmondo.com/userData/board/file/54050485276.pdfIn PDF document text
- http://articolo17.it/siti/usr/foto/files/wixojamiwozifi.pdfIn PDF document text
- http://arisutour.com/ckupload/files/pizixagunovepa.pdfIn PDF document text
- http://imailbox.nl/images/uploadedimages/file/moduvoguduxud.pdfIn PDF document text
- http://dd-eng.com/files/files/31284928808.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/41156858317.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/18571221569.pdfIn PDF document text
- http://intertermo.nl/userfiles/file/tosafezagitivadoto.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=cheat+diamond+mlbbPDF 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_off0000cc72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e484.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE484 | 16764 bytes |
SHA-256: 54bcd6ffeff2b9feccc61857eeb1d8dace87cb67b7ce18c377272c1c0da4037f |
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font_02_sfnt_off00010f92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F92 | 10416 bytes |
SHA-256: 53f3ccf12c0b712e4edb916de785b4d29a3b3277744a36cf6aa0ea9385fa8a41 |
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