MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake browser/software-install lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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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://eyela.kr/uploadfile/fckeditor/file/jerawagefiwitivux.pdf In PDF document text
- http://weilandvloeren.nl/fckimages/62113563147.pdfIn PDF document text
- https://desense.eu/uploads/wysiwyg/files/28516797345.pdfIn PDF document text
- https://youkuvpn.com/upload/files/87689720208.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/66465215925.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/7a16ef5c15c031b68d3f6aa57262a573/60971798540.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/merowubalaxofus.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/zutebuwu.pdfIn PDF document text
- https://www.indoorclub-informa.com/boletines/img/file/badopafakadutevopijaru.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/pupodaberuji.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/dajuxunotusopuvebelizoru.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f00f06af4f---nodizajoles.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/xowudegijevaso.pdfIn PDF document text
- https://powermailer.in/userfiles/file/62890405050.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/gulobiripubodifakawave.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/poduzovosaret.pdfIn PDF document text
- http://omni-links-europe.com/images/blog/file/jaweguruzev.pdfIn PDF document text
- http://uniradioweb.info/userfiles/file/44170671048.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/85814527513.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/fukoragefewebadob.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/59676618195.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/56483998052.pdfIn PDF document text
- http://khlongtoei-nfe.com/library/userfiles/file/kiwogedagoluburarusinugil.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/nusadezuxodifexi.pdfIn PDF document text
- https://all-stage-meditation.tw/uploads/files/61368425b1e22.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=chrome+88+apkPDF 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_off0000ec1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1D | 17604 bytes |
SHA-256: edac90e6d3f4c8dac1b7fdb15707b58ea39e8b4012bed8b0fdf611bd7865c5e1 |
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font_01_sfnt_off00011a05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A05 | 10340 bytes |
SHA-256: 344f35a05bab083e643fa95929ff39e7960cdbd6d0e3879b6c68caba6f531c4d |
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font_02_sfnt_off00013168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13168 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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