MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external links, many pointing to disposable hosting services. The primary function appears to be acting as a link farm to redirect users to potentially malicious websites, likely for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://yoyep.co.za/YmrXLWy8?keyword=diccionario%20griego-espa%C3%B1ol%20sopena%20pdf%20en%20linea%20espanol%202 PDF link annotation
- https://verozebe.weebly.com/uploads/1/3/4/4/134459047/2e2b7a7ac486d9.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/89843758822.pdfIn PDF document text
- https://nudegono.weebly.com/uploads/1/3/4/6/134682657/3613478.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/1a769518f431d93f6a4395b810a8a738/40637846613.pdfIn PDF document text
- https://lerikazemez.weebly.com/uploads/1/3/4/7/134744497/a9c76a.pdfIn PDF document text
- https://www.akita-tourism.com/assets/admin/plugins/kcfinder/files/vomizerodi.pdfIn PDF document text
- https://ruzarovi.weebly.com/uploads/1/4/1/3/141345934/531e1d046e.pdfIn PDF document text
- http://www.halabicaguitars.com/gfx/administration/js/ckeditor/kcfinder/upload/files/59630046350.pdfIn PDF document text
- https://kekulepolunan.weebly.com/uploads/1/3/4/8/134889268/04d6a2e99491eb8.pdfIn PDF document text
- http://kristiankutschera.de/userfiles/file/5808023888.pdfIn PDF document text
- https://ratewanevunexem.weebly.com/uploads/1/3/2/6/132681210/sufix-vuzedoriboru-tofobenuwoziwab-xirefukose.pdfIn PDF document text
- https://susudomi.weebly.com/uploads/1/3/5/3/135319884/c1b43.pdfIn PDF document text
- https://nebumokijisuj.weebly.com/uploads/1/3/5/3/135326708/jefatugisukuvemi.pdfIn PDF document text
- https://dupiwuzolofu.weebly.com/uploads/1/3/7/5/137502481/1635866.pdfIn PDF document text
- http://wsmr.us/userfiles/file/lorijafigalovujog.pdfIn PDF document text
- https://lapimirisa.weebly.com/uploads/1/3/4/3/134372347/5d947.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/13707115891.pdfIn PDF document text
- https://xuzelakojit.weebly.com/uploads/1/3/4/5/134593048/6619522.pdfIn PDF document text
- https://runevivapubate.weebly.com/uploads/1/3/4/5/134595370/3807333.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/12459448706.pdfIn PDF document text
- https://eastmanllc.net/ckfinder/userfiles/files/mevidolupefetimeda.pdfIn PDF document text
- https://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/gedikezegitogeba.pdfIn PDF document text
- 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_off0000b4a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A6 | 19720 bytes |
SHA-256: 798a9d83011cd99e9456b3fcf0218d0d9c50c643e9c90c8ee67fc7500766124f |
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font_01_sfnt_off0000e656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE656 | 11056 bytes |
SHA-256: 17678b161665192bb0f58f9571134f2384c3a581189812778aea647d0686a8e3 |
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font_02_sfnt_off0000ffd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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