MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also features a large number of external URIs, many pointing to potentially disposable domains, suggesting a link farm or redirection mechanism. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/acf0b60558f6d03705f323674b039289/tajijoxejodebarino.pdf In PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/zulexuza.pdfIn PDF document text
- http://ruihuitax.com/files/file/42432048339.pdfIn PDF document text
- http://nutrizionisti.eu/public/thread/risorse/file/sulegapi.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/wuruvobanamepag.pdfIn PDF document text
- http://cloverdiamond.com/file/77903047453.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/filufemoturodi.pdfIn PDF document text
- http://tms-technology.com/ckfinder/userfiles/files/wogiwikiroladorukisof.pdfIn PDF document text
- http://28777886.com/Lpf/UPFILE/userfiles/files/lugojexivupenusef.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/xegapozemajomub.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/p6k7jahk9hrakk3tg84p3viuei/bijowapagogitapupoxoluvap.pdfIn PDF document text
- http://finance-bulldog.cz/UserFiles/File/fapolug.pdfIn PDF document text
- https://franchiseinnovations.org/broker-site/files/files/66573811610.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/sufinevixinof.pdfIn PDF document text
- http://varosom.hu/userfiles/files/35304242528.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/penazeve.pdfIn PDF document text
- https://hotellemaritime.com/hotel/upload/files/71397566150.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/matotuxiweta.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/kuwuzifodedoxure.pdfIn PDF document text
- http://sb-78.ru/files/file/turopumadamar.pdfIn PDF document text
- https://textosolutionslinguistiques.com/upload/editor/file/navukunifewobatalagij.pdfIn PDF document text
- https://citytrafik.nu/images/file/naxuzo.pdfIn PDF document text
- http://gyogytornasz.hu/editor_up/47224980844.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/zuvidifegitudupalinajux.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/23560421379.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=human+eye+wavelengthPDF 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_off0000b953.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB953 | 14756 bytes |
SHA-256: 4aefea0f51147f52f8980fb236b1117e6fd9ea427695fb2cd9cfb906329aa01e |
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font_01_sfnt_off0000de9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9D | 10432 bytes |
SHA-256: 4e8ee36b2a6ac59b482e316227172665c7ed02ffae625f7d28b91668325f8332 |
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font_02_sfnt_off0000f614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF614 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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