MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to disposable domains and forming a link farm, suggests a phishing or malware distribution attempt. ClamAV detection and ML classification further support its malicious nature, indicating it's likely a phishing or trojanized PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oskarmak.com/userfiles/file/zalixijalugoxebu.pdf In PDF document text
- https://congtydaihai.com/upload/files/49394522432.pdfIn PDF document text
- http://thongthien.vn/upload/files/77690323402.pdfIn PDF document text
- http://garage-fuji.jp/js/upload/files/lasadiwur.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/85418064708.pdfIn PDF document text
- https://el-tall.pl/pics/file/4843397300.pdfIn PDF document text
- https://biserica-izvorul-tamaduirii.ro/files/65057520065.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/41209569928.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/fexokuzuveneder.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-8/20210908032244324119.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/59255634570.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfd7b199d5---70915493519.pdfIn PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/gefojomo.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/wobijedejusakiritapabadov.pdfIn PDF document text
- https://sofanet.ro/ckfinder/userfiles/files/xijoxosewubo.pdfIn PDF document text
- http://netmutum.com/userfiles/file/tetifikuwubikanukoneba.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/3915158799.pdfIn PDF document text
- http://watch62.ru/files/files/74054894553.pdfIn PDF document text
- http://microcement.ua/userfiles/file/87449040955.pdfIn PDF document text
- http://homespakistan.net/magzine/uploadfiles/file/72513718145.pdfIn PDF document text
- https://museuminiaturesbesalu.com/files/serapav.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/tagafejotofufusuv.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0c2f81c82---98877917385.pdfIn PDF document text
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/folusez.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/bazugawe.pdfIn PDF document text
- http://humidorio.de/ckfinder/userfiles/files/83569526577.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=naruto+senki+unlimited+moneyPDF 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_off0000ccf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e50b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50B | 18444 bytes |
SHA-256: c7ff20706a6714e9c9a93b39eb4c427bde177b4e81b566291f42967bd5d6cb64 |
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font_02_sfnt_off00011494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11494 | 10692 bytes |
SHA-256: eec861ffb926640654e0f32dc414b7dcd0fbf5c8c17911590232612b84c972a1 |
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