MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting the document's primary purpose is to drive traffic to external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://pn-tech.net/userData/board/file/16118053427.pdf In PDF document text
- http://health-bridge.in/upload/file/disapitekukonaguva.pdfIn PDF document text
- https://ehotelgateway.com/bot/ckfinder/uf/files/83117225635.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/pabupewodozutitasotixi.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3057dd287---wetupabijaw.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/zadonitojafubevetinil.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/368266d9e802ed01fa669c3646722787/vafabagukamememuxoru.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091a197a211b---78133502340.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160e39d28cc7da---kimomorefoxetorawej.pdfIn PDF document text
- http://ferrocom-spb.ru/userfiles/files/29258054843.pdfIn PDF document text
- https://ruta.hu/ckfinder/userfiles/files/34160240047.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/11818425179.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/7c98745e118e2fc9ec02d138f89378d8/62434952189.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/xalezuzufusufikinis.pdfIn PDF document text
- http://vinaktv.com/storage/ckfinder/files/93064165493.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/519738004.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b969042f8e---pukuwamanutamute.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/makaredizogopisovuxep.pdfIn PDF document text
- https://doanandieuduong295doson.vn/namthuan/images/news/files/sefodawuk.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/76776999875.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/gokadu.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-5-20/20210520195349214008.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=eml+to+pdf+githubPDF 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_off0000ba68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA68 | 17716 bytes |
SHA-256: 11058aec89c97438d90fcbd6aff45c33359bfff3d8b6a56f9a33e29c51aa4f81 |
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font_01_sfnt_off0000e88c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A3 | 10500 bytes |
SHA-256: 23d5dc2a3e78b8b37ecc453eaa411033e1f71f72c57bbae12b1f901f9802ab93 |
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