MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a high number of external URIs, many pointing to disposable domains, indicative of a link farm designed to obscure the ultimate destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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 http://xn--49s538bo8ux8c.net/userfiles/file/3503775568.pdf In PDF document text
- http://daltan.hu/userfiles/file/49136181331.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/puxugego.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/xuwekep.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/17108343e85a296aecd7a1fb103cb97a/valigabototiri.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/vobiwuwigarok.pdfIn PDF document text
- https://ijp2.com/contents/files/18619589066.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/fv83rsodju8npl5033qoi4lhp3/wativajopi.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/33281415678.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/51394613464.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/gividuwajit.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/suvinujoxurepanad.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210910094826.pdfIn PDF document text
- http://justsayhi365.com/uploads/file/23286696941.pdfIn PDF document text
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/24151402854.pdfIn PDF document text
- http://radio6deenero.com/uploaded/files/66925746885.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/85653173083.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/7837682095.pdfIn PDF document text
- http://e-sportis.com/images/upload/galofuwoseroxolaluwesa.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/29443082140.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/78999803318.pdfIn PDF document text
- https://r4binsh4h9-att.com/contents/files/zakezanopapikazemagoz.pdfIn PDF document text
- https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/vusagimaveguxu.pdfIn PDF document text
- https://windsbs.biz/files/file/wedarakidewufirebodojole.pdfIn PDF document text
- http://specialcats.nl/media/files/zoselisagabesumipudar.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cute+wallpapers+for+android+phonePDF 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_off0000eac1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC1 | 17620 bytes |
SHA-256: 11f051ac114fc1190342d68fe881bedbc88d35a8a195f5d223902d93c0050ada |
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font_01_sfnt_off000118e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E1 | 10812 bytes |
SHA-256: 5c8a523cff6e8e13cd9de1f03d00eb429a5bbbc4e8538da050a903f8a679ff28 |
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font_02_sfnt_off000131d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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