MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed to host numerous links, suggesting a phishing or spamming operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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.introspekta.si/ckfinder/ckeditor_uploaded_files/files/nuluzimifada.pdf In PDF document text
- http://ressourcengarten.de/azubi/userfiles/files/wamiwufajukisoxatemavajib.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/2654572586.pdfIn PDF document text
- http://caratow.eu/userfiles/file/23187459613.pdfIn PDF document text
- https://crawfordpoint-ca.seeninherd.com/files/17430216348.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/mafesami.pdfIn PDF document text
- http://divodizain.ru/ckfinder/userfiles/files/97971403467.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/webopagozusaxipe.pdfIn PDF document text
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/tubijipajiziz.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/52275355793.pdfIn PDF document text
- http://pietrek.com/MARCUS/files/file/vawabu.pdfIn PDF document text
- https://xn--espaoldetalca-lkb.cl/var/www/html/upload/file/sawoxudidimuvomasokuxe.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/lisigigekavipi.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/76764949993.pdfIn PDF document text
- https://architektor.ru/uploads/file/toxinoz.pdfIn PDF document text
- http://getsolarnj.com/userfiles/file/84523860632.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/jajosilimuju.pdfIn PDF document text
- http://seowonbattery.com/files/fckeditor/file/532285291614cdbcb55d08.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210912081757.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/zunebesegakekexi.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/31224326069.pdfIn PDF document text
- https://krygina40.ru/UserFiles/File/53344642204.pdfIn PDF document text
- http://studiolegalebisantis.it/userfiles/files/ponod.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/gusepis.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=tiny+red+bumps+on+facePDF link annotation
- http://e1pl2.nazwa.pl/busy/fotki/file/28167356775.pdfIn PDF document text
- 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_off0000e62c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62C | 10956 bytes |
SHA-256: 0034ebd57bdfc4e31129ea5c57f109ddad089573ab01cf85a953ce31e1c1169b |
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font_01_sfnt_off0000ff5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11770 | 18564 bytes |
SHA-256: 9e82b52a70c59b5a6dac2089680f641096e9c97e691a8c11f6a8dc46c3591f91 |
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