MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links pointing to potentially disposable domains, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/febebanojirotajivejijupup.pdf In PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/wemuwijikijowabari.pdfIn PDF document text
- http://kleinschadenexpert.de/userfiles/file/gufekerexupawotigize.pdfIn PDF document text
- http://klemanpince.hu/files/file/30199208682.pdfIn PDF document text
- http://epoptavky.com/is/images/FCKeditor/File/67136340970.pdfIn PDF document text
- https://reviewz.eu/app/webroot/files/userfiles/files/mojixo.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021090504215027.pdfIn PDF document text
- http://plenaseguroseprevidencia.com/fotosempresa/files/jijumexagavax.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161312f167ad02---jasojokizerasebob.pdfIn PDF document text
- http://akekaluck.com/ckfinder/userfiles/files/25243243153.pdfIn PDF document text
- http://goang-hann.com/uploads/files/202109070627211276.pdfIn PDF document text
- http://joinsocialbubble.com/cake/beta/userfiles/file/12539650965.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/20585204369.pdfIn PDF document text
- http://inphuduong.vn/upload/files/jononudekojiwabakumodinu.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/jurojebes.pdfIn PDF document text
- http://abbeloosschinkels.be/userfiles/file/zasabetipewejivulodipixo.pdfIn PDF document text
- http://maulich.vn/attachment/files/nojosud.pdfIn PDF document text
- http://topbondtape.com/uploadss/file/99661060304.pdfIn PDF document text
- https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/53788374474.pdfIn PDF document text
- http://matras-devison.com/upload/file/35773563294.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/1849ccfe137be2c050e138c744be42d0/48195803390.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/179263212.pdfIn PDF document text
- http://kezmosas.hu/files/file/65682583962.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/files/povitiremukagawogamutig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=best+newspaper+app+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eaa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C0 | 10584 bytes |
SHA-256: ac5ca1ff9ba6aab1a3e054fc0704f0a7c670206595b4b2c38a31dd91d635a547 |
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font_02_sfnt_off00011b21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B21 | 17180 bytes |
SHA-256: 09f2291ae82165d7dad89523ecb7b68df10325c7dbf4f0190797e5a35fcb65cc |
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