MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is identified as a link farm with numerous disposable URLs, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious links.
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://lukinserv.hu/file/74678340122.pdf In PDF document text
- http://locum-system.pl/userfiles/file/fenuvivonugosuterida.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210918120156.pdfIn PDF document text
- http://crystal-lamp.ru/uploads/files/bifupezuwupozifes.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/71290438246.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/fojoxuvamamunelakop.pdfIn PDF document text
- http://teplorium.su/userfiles/file/golasufoperigaxufipiwu.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/24590243840.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/30496367345.pdfIn PDF document text
- http://flapboxes.com/userfiles/files/befatekefo.pdfIn PDF document text
- https://sharks-cz.cz/images/file/34365723345.pdfIn PDF document text
- http://zeamailer.zeapost.com/FCKeditor/editor/filemanager/connectors/userfiles/file/50202227011.pdfIn PDF document text
- https://strefaokazji.pl/uploaded/file/72873507299.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/52911094547.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/wumuw.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/09195349916.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/45032bd2e8d628541be10aad53a82edf/valun.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134192f64aa4---61948702159.pdfIn PDF document text
- https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/jonugetuxeziwevo.pdfIn PDF document text
- https://xuanhongkhang.com/upload/files/sigurewutiguv.pdfIn PDF document text
- http://x04ydivan.ru/userfiles/file/59289461573.pdfIn PDF document text
- http://jawarakreasi.com/file/jejokeketopudo.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/54608344069.pdfIn PDF document text
- https://lotte-ppta.com/beta/assets/file/jipunudenogakigulixawefaw.pdfIn PDF document text
- https://www.disbel.es/ckfinder/userfiles/files/suxavito.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=the+croods+release+date+2020PDF 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_off0000affb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFB | 14184 bytes |
SHA-256: 6443ea55badee48bb6af6099c2d0811cfe6a9b844e716ff35ff14cb7b4305927 |
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font_01_sfnt_off0000d39f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD39F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ebb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB6 | 10476 bytes |
SHA-256: 589d020a46b0e6c46670e36c26373d7d4afbf10e277473c7809d7172b4b08e40 |
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