MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains and are structured as a link farm. ClamAV and ML classifiers identified this as a malicious phishing or trojan PDF. The embedded JavaScript likely facilitates the redirection to these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://4998horo.gmmwireless.com/contents/files/9373732838.pdf In PDF document text
- http://yung-shun.com/userfiles/file/4319404798.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210909231815.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/madirutanobovejunovox.pdfIn PDF document text
- http://tzsunup.com/upload/nevazexiz.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/vidafativ.pdfIn PDF document text
- http://melly-incendie.fr/img_db/faborivixutiruwijigew.pdfIn PDF document text
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/66647268033.pdfIn PDF document text
- https://mikludava.lt/images/files/fulawetaxobo.pdfIn PDF document text
- http://bukhatirhomes.com/userfiles/file/zoxelonuvekuvelas.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/gofubuvisa.pdfIn PDF document text
- https://wupaojichangjia.com/d/files/2499847456.pdfIn PDF document text
- http://kfoodntea.com/dataroom/file/86109263284.pdfIn PDF document text
- http://polishingmarblefloor.it/userfiles/files/potebukefekatosuvodidoti.pdfIn PDF document text
- https://hinaweb.com/upload/file/52655824667.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1631444293.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/nemubonitarifadimiwobew.pdfIn PDF document text
- http://michael-dhom.com/webseiten/file/32946458234.pdfIn PDF document text
- https://pastijptoto.com/contents/files/66964802753.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161302ce0cce01---77966421640.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/34381273840.pdfIn PDF document text
- http://thienthaopc.com/upload/FCK/file/49204129293.pdfIn PDF document text
- http://cyclad.org/UserFiles/file/kagabosiribufosevemosaxeb.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/a95ed78e320231f23a219ef43820cec8/fubujug.pdfIn PDF document text
- http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/46146677581.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+enable+auto+answer+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_off0000d855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD855 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f06c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06C | 10560 bytes |
SHA-256: 37e970254b2f8880317f2acb93d0bd81224d165b2056da16804886f9a0edb326 |
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font_02_sfnt_off000108a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A1 | 18296 bytes |
SHA-256: bfa3c21e9a521cfc1af8ae09a1f5ad972fc53eef0e05da31cd44acc9bec013a6 |
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