MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, a common tactic for distributing malware or conducting phishing campaigns. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 5
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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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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.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161395f7fbbfe1---23265856278.pdf In PDF document text
- http://globalsocialwlefaresummit.com/app/webroot/uploads/ckuploads/files/remulomolaxumowaneb.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/96324668290.pdfIn PDF document text
- https://abyway.lv/images/ck_images/files/40824787970.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/7236170932.pdfIn PDF document text
- http://gammatradings.com/userfiles/file/18747960416.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/80246920764.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/xugelalosagomurunomesim.pdfIn PDF document text
- https://smobiil.eu/userfiles/files/35133800868.pdfIn PDF document text
- https://www.domosystem.gr/ckfinder/userfiles/files/dalerazuwi.pdfIn PDF document text
- https://zniczekowalczyk.com/user_images/file/xifotejofenowosubiluz.pdfIn PDF document text
- http://oldstat.ww.tj/img/file/bevalowubagivaxujuma.pdfIn PDF document text
- https://lienlacanien.com/img_pages/file/9089923648.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/vakagotimelenulixagupuw.pdfIn PDF document text
- http://hanilkwanla.com/uploads/files/nijovusofijinela.pdfIn PDF document text
- http://zl369.net/userfiles/file/58091360563.pdfIn PDF document text
- https://shellserva.nl/docs/Image/file/puvum.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/kenes.pdfIn PDF document text
- http://topmebli.com/content/xuploadimages/file/detadepudaxezunejevax.pdfIn PDF document text
- https://marosme.ro/hirek/file/83891457987.pdfIn PDF document text
- http://klinok-saintp.ru/files/15005361782.pdfIn PDF document text
- http://paolacaone.eu/userfiles/files/bolasexalotarabirogiko.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/vudowofaligojepomi.pdfIn PDF document text
- https://kokomanis.com/contents/files/91941834418.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/a9de8d2d44b2eb651c6c43dc75562d7e/68794167745.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=download+game+ppsspp+3rd+birthdayPDF 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_off0000d5ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDC | 17336 bytes |
SHA-256: 01b2250f2992b6839d5131b85720971c863a699bf87e9ae4f38c7fb38f544f4b |
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font_02_sfnt_off00011b09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B09 | 11352 bytes |
SHA-256: fa4cb6f0dc18db0801811d478e2d76538546ac817c1e6b1d1299c0ed5962bb9e |
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