MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, with a high ML classifier score and ClamAV detection indicating malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests it's part of a link farm designed to distribute further malicious content, likely through the embedded JavaScript which is common for initiating downloads or redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.park-seversk.ru/other/js/ckfinder/userfiles/files/xepixenubiwuzabafemajater.pdf In PDF document text
- https://newegys.egyseg.eu/ckfinder/userfiles/files/dibofetazedevigerizeja.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/65616318167.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/fevuwem.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/54770921032.pdfIn PDF document text
- http://weingut-suppan.at/files/bogovisulezikoberenivivat.pdfIn PDF document text
- http://cukrarska-vyroba.cz/UserFiles/File/nakaxebegopipesabisa.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/welevonotojakovor.pdfIn PDF document text
- https://mmeasar.com/mmeasarfiles/file/83717966772.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/baxojuganaded.pdfIn PDF document text
- http://iktoktatas.hu/files/file/rulinosuwokisunawefatozaj.pdfIn PDF document text
- https://serrechevalier-skifun.com/imagesfile/1534128673.pdfIn PDF document text
- https://nieruchomosciprzetargi.pl/files/file/32863423013.pdfIn PDF document text
- http://edv-denk.com/userfiles/file/24313479960.pdfIn PDF document text
- http://wonikqnc.com/upload/editor/file/1631454611.pdfIn PDF document text
- http://njboyuanchem.com/upload/files/momelozozejopobofoj.pdfIn PDF document text
- http://cke.hk/userfiles/99468242863.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021090314474942.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210909070827.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/zumemogivixutijamu.pdfIn PDF document text
- http://kondicionery-fryazino.ru/upload_picture/file/zugipagefiroma.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/likevuxasolaliwam.pdfIn PDF document text
- http://stringladies.cz/userfiles/17254207601.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/gurebiladit.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/27cad4aff416620de1bb547de68a058b/buvodesexinafilasumato.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/gunesivuxojojawumigu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+download+pics+from+instagram+on+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_off0000dfc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC6 | 16436 bytes |
SHA-256: aaac8821662cc6ea814300f6ab7c0f6f568262157220876b1c09c37fb57d9d5c |
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font_01_sfnt_off000109f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F2 | 10908 bytes |
SHA-256: d62185c693b6f9287aeac2b544276bd666a05567c159229bc97553eb8650798c |
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font_02_sfnt_off000122f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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