MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the document is part of a link farm, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
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://shijijiaming.net/filespath/files/20210906140507.pdf In PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/bulep.pdfIn PDF document text
- http://vhz.cz/user-files/jowifiruponuduvuminulu.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/42225345271.pdfIn PDF document text
- http://elcivan.com/admin/UserFiles/file/pigolol.pdfIn PDF document text
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/54166960555.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/pitunabejewebugixo.pdfIn PDF document text
- http://espokebar.com/uploads/files/lomalu.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/sowufimejezaboma.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/9f8a70a04b79be627f7c1eeb52ef39e2/98214251719.pdfIn PDF document text
- http://15441707.com/data/board/file/20210908162031.pdfIn PDF document text
- https://theshamrockpublecco.it/file/14577445809.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/wirub.pdfIn PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/kizej.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/madegawe.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/2d30cecac5c8ecbb7fd9d66dc11977f0/mewozobumazus.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/49396025706.pdfIn PDF document text
- https://heks-tech.com/app/webroot/userfiles/files/vilanutirava.pdfIn PDF document text
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wonudafirutunokap.pdfIn PDF document text
- https://tidaksusah.com/contents/files/zizunozibirefisezobele.pdfIn PDF document text
- https://izyskately.ru/foto/ck/files/6070000237.pdfIn PDF document text
- https://priscar.com/documents/files/voguzi.pdfIn PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/72470461253.pdfIn PDF document text
- https://beautydent.hu/editor_up/92986805803.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=garageband+alternatives+for+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000bf81.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xBF81 | 18100 bytes |
SHA-256: 0897b9b2302a77edcaccf6b8de6b2a54a9742f25ee6ca617541e80b4785818ca |
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font_01_sfnt_off0000dc46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC46 | 17252 bytes |
SHA-256: 0b6c4b9850fcd8458c6a35efbce10c3a7f9a12a10421653d2b476290c9f65e42 |
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font_02_sfnt_off000108f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001210f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1210F | 10772 bytes |
SHA-256: edefa0eef983642607f55f9a3fb839f53f7a97b630bcbac819beafaf9ba21c9e |
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