MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, forming a link farm. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://jnnycc.org/userfiles/file/potazuwemiwuritupenebad.pdf In PDF document text
- http://feriaalainversa.com/uploaded/files/31689036190.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16132e3702480a---45886246013.pdfIn PDF document text
- http://www.flamanville-76.fr/upload/file/relegawisevaga.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/woxagevitobutanomezixapef.pdfIn PDF document text
- http://ajmason.com/admin/ckfinder/userfiles/files/61586268681.pdfIn PDF document text
- https://aquarell.ro/userfiles/file/83049490005.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8ff58bc77---ripoxutuxun.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__6134C4D18A28E.pdfIn PDF document text
- https://btcauction.vn/hinhanh/file/xebijanexav.pdfIn PDF document text
- http://xn--krmer-dnnebacke-1kb72b.de/files/file/60101375577.pdfIn PDF document text
- http://golden-candies.ru/webroot/files/files/95463872706.pdfIn PDF document text
- http://pzhjintai.com/upload/files/40115267066.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/rekiziriw.pdfIn PDF document text
- http://www.hzkontejnery.cz/ckfinder/userfiles/files/rewafakanirenewire.pdfIn PDF document text
- http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/dotoxapovuporogasowuzibi.pdfIn PDF document text
- http://blackhorsesc.pl/userfiles/file/26241540549.pdfIn PDF document text
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80086384439.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/g4a18pfrbrn0ej245hvt5bd2b1/87079658384.pdfIn PDF document text
- http://ser-buk.com/userfiles/file/8770842795.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134180d81208---xixajalep.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/31411577637.pdfIn PDF document text
- https://smilaxlabs.com/userfiles/files/20345629699.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/0e9d88824a272ffe1b9653b61342b7e3/dazosa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=desbloquear+pantalla+con+huella+digital+androidPDF 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_off0000cd24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e536.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE536 | 18104 bytes |
SHA-256: 3c3de9a6b97115285b6addf57f5a1f3ed8a337bbdaf0025585ddbcd722a8835c |
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font_02_sfnt_off000112ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EA | 11180 bytes |
SHA-256: ec61b2517df55603c31c0953f261fb95922e4b401f1b9b17f422396c66ff5d79 |
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