MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which are part of a link farm designed to obscure the ultimate destination. Several heuristics indicate that these links point to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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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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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://vico-inmobiliaria.com/ckfinder/userfiles/files/82465041902.pdf In PDF document text
- https://ijieet.org/ckfinder/userfiles/files/38389522054.pdfIn PDF document text
- https://vilus.cz/userfiles/file/81917788420.pdfIn PDF document text
- https://hoangnhataudio.vn/media/files/31815077258.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/mitanibodisaleji.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/49061743272.pdfIn PDF document text
- https://dongphuchuytai.com/upload/files/2237949812.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614becd8d4d79---80433977822.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/figakogawefafuret.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/waliriben.pdfIn PDF document text
- http://sntaviator.ru/ckfinder/userfiles/files/sajodudororolav.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/wesubij.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/wadoparud.pdfIn PDF document text
- https://kltccompany.com/ckfinder/userfiles/files/555327606.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16150e180bbf04---kanivirona.pdfIn PDF document text
- https://nomaquito-travel.com/editor-images/94942531551.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/kebipabuxofufubisizovile.pdfIn PDF document text
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/51395635429.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614664dddb19a---99730345809.pdfIn PDF document text
- http://gewald.ru/content/Files/95347433029.pdfIn PDF document text
- http://nomorecpapmachine.com/userfiles/files/koweduvoxugegavaf.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/gajoze.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=download+werewolf+online+mod+apkPDF 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_off0000b13d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB13D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC954 | 10572 bytes |
SHA-256: 7c38fdbc804f5d9375eebe5a55290fd3155caa27edf3c74e89b04fb886e3466c |
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font_02_sfnt_off0000e165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE165 | 16068 bytes |
SHA-256: 492e5d7a11b243f14b7f3b3e199ed41034ec5c421317fb359136dd7da06adf15 |
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