MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by an ML classifier as malicious. It contains numerous links to external PDFs, suggesting it acts as a link farm or a downloader for further malicious content. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a pattern of using disposable hosting for these links, likely to evade detection and analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 4
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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://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161508e6bc503b---32691147570.pdf In PDF document text
- https://wic-net.com/userfiles/file/42865451799.pdfIn PDF document text
- http://intproplaw.com/admin/uploads/file/50075516578.pdfIn PDF document text
- http://czechdidgeridoo.com/admin/upload/file/pitoxawopewijalabab.pdfIn PDF document text
- https://profitaler.com/UserFiles/file/fobogikuwadokamudojerufiw.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/momeduxoneverotugaz.pdfIn PDF document text
- http://esipro.fr/userfiles/file/guvenelepovifol.pdfIn PDF document text
- https://seerupit.dk/assens/file/28591438270.pdfIn PDF document text
- http://tasteofruraleurope.eu/upload/File/sigiwadalidumasivizebim.pdfIn PDF document text
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/pozijuroborinikeguriv.pdfIn PDF document text
- https://bisleriwheel.genefied.co/ckfinder/userfiles/files/86612951109.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/40670755451.pdfIn PDF document text
- http://nelly-design.ru/upload/files/57685525714.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/kiputadabinoguwixa.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/01e1defe10f2245f4215c521adfac1d8/bulomadirilaribukemusonav.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/92619084785.pdfIn PDF document text
- https://matfreklam.com/calisma2/files/uploads/xitarabizamogividijepoko.pdfIn PDF document text
- http://ylgems.com/file_media/file_image/file/parasugukabunodab.pdfIn PDF document text
- http://tetraeng.it/userfiles/files/65064403843.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/vuwomuwu.pdfIn PDF document text
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/gitoruxuwesigidopugako.pdfIn PDF document text
- https://immo-macedo.lu/userfiles/files/19674719572.pdfIn PDF document text
- https://weldingportal.it/userfiles/file/degojulenarozovo.pdfIn PDF document text
- http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23177085975.pdfIn PDF document text
- http://mingzhicc.com/userfiles/files/pixojivel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=music+artist+booking+form+templatePDF 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_off0000b45e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB45E | 11148 bytes |
SHA-256: 38218f6873ec920cbbded283b8feabf08d3e51e50b542ccd0eb9360775ac8698 |
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font_01_sfnt_off0000ce41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE653 | 16292 bytes |
SHA-256: 156bed7d829a0f22ac88540dcd49dcd470e46e0241eb57c546a3a4e36536cb6a |
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