MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
This PDF file contains embedded JavaScript and a large number of external links, many of which point to other PDF files. The primary external URL, https://yoyep.co.za/YmrXLWy8?keyword=diccionario%20griego-espa%C3%B1ol%20sopena%20pdf%20en%20linea%20espanol%202, is likely a lure to a malicious site. The PDF_SEO_LINK_FARM heuristic indicates a mass of external links designed to mimic search engine results, further supporting the lure-based attack pattern. ClamAV detection confirms this is a known malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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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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
- https://verozebe.weebly.com/uploads/1/3/4/4/134459047/2e2b7a7ac486d9.pdf
- https://adtw1.com/ckfinder/userfiles/files/89843758822.pdf
- https://nudegono.weebly.com/uploads/1/3/4/6/134682657/3613478.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/1a769518f431d93f6a4395b810a8a738/40637846613.pdf
- https://lerikazemez.weebly.com/uploads/1/3/4/7/134744497/a9c76a.pdf
- https://www.akita-tourism.com/assets/admin/plugins/kcfinder/files/vomizerodi.pdf
- https://ruzarovi.weebly.com/uploads/1/4/1/3/141345934/531e1d046e.pdf
- http://www.halabicaguitars.com/gfx/administration/js/ckeditor/kcfinder/upload/files/59630046350.pdf
- https://kekulepolunan.weebly.com/uploads/1/3/4/8/134889268/04d6a2e99491eb8.pdf
- http://kristiankutschera.de/userfiles/file/5808023888.pdf
- https://ratewanevunexem.weebly.com/uploads/1/3/2/6/132681210/sufix-vuzedoriboru-tofobenuwoziwab-xirefukose.pdf
- https://susudomi.weebly.com/uploads/1/3/5/3/135319884/c1b43.pdf
- https://nebumokijisuj.weebly.com/uploads/1/3/5/3/135326708/jefatugisukuvemi.pdf
- https://dupiwuzolofu.weebly.com/uploads/1/3/7/5/137502481/1635866.pdf
- http://wsmr.us/userfiles/file/lorijafigalovujog.pdf
- https://lapimirisa.weebly.com/uploads/1/3/4/3/134372347/5d947.pdf
- http://eprdel.cz/userfiles/file/13707115891.pdf
- https://xuzelakojit.weebly.com/uploads/1/3/4/5/134593048/6619522.pdf
- https://runevivapubate.weebly.com/uploads/1/3/4/5/134595370/3807333.pdf
- https://karolinanowak.com/userfiles/file/12459448706.pdf
- https://eastmanllc.net/ckfinder/userfiles/files/mevidolupefetimeda.pdf
- https://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/gedikezegitogeba.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b4a6.bin798a9d83011cd99e9456b3fcf0218d0d9c50c643e9c90c8ee67fc7500766124f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A6 | 19720 bytes |
font_01_sfnt_off0000e656.bin17678b161665192bb0f58f9571134f2384c3a581189812778aea647d0686a8e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE656 | 11056 bytes |
font_02_sfnt_off0000ffd7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD7 | 16792 bytes |
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