MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://studiopiergentili.it/userfiles/files/73599056111.pdf In PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/88345873652.pdfIn PDF document text
- https://cultureresortpokhara.com/assets/userfiles/files/91012616823.pdfIn PDF document text
- http://asude.istanbul/ck_images/files/gupukujamisalefozasofu.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/66624795355.pdfIn PDF document text
- http://laros.cz/UserFiles/file/46365158789.pdfIn PDF document text
- http://ccadl.com/files/20210909095047.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/dizejarofok.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/070333d84b85b12334e3ec6f72807cd6/negomili.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/60671457373.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/xexevuzaz.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/zudasalaxibumero.pdfIn PDF document text
- http://grafiport.com/userfiles/file/lulok.pdfIn PDF document text
- http://nawaress.com/webroot/js/ckfinder/userfiles/files/zisumof.pdfIn PDF document text
- http://studiofelician.com/userfiles/files/25763536554.pdfIn PDF document text
- http://hkwwta.org/userfiles/sataziro.pdfIn PDF document text
- http://mskgroup-spb.ru/upload/file/58592621769.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/luvus.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/62306921285.pdfIn PDF document text
- http://gildiamasterov.ru/userfiles/file/43576693238.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383ae9f2e27---kibesadozekupotidar.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/mimolotewixulomoxif.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/71030024368.pdfIn PDF document text
- https://jnnjhansi.com/userfiles/file/fukiwizila.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=autonomic+nervous+system+divisions+and+functionsPDF 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_off0000b7a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC0 | 10852 bytes |
SHA-256: 4baed3369acc2c1d9032607690c08caed5d0f9982f35417e71da0d36c20c5b0c |
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font_02_sfnt_off0000e8eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8EB | 17868 bytes |
SHA-256: bbcd23e12196a5cebb6400e8324d5461597bfd6a0a2aa08133f73869d556a5c5 |
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