MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged as malicious by ClamAV and an ML classifier. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The document also features a high number of external URIs, many of which are part of a link farm, suggesting an attempt to direct users to potentially harmful websites. The presence of embedded JavaScript and numerous links strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://reaga.net/js/ckfinder/userfiles/files/55194857464.pdf In PDF document text
- https://beldapin.com/calisma2/files/uploads/zutimewixuwupigonivoxu.pdfIn PDF document text
- http://studiovalecchi.it/userfiles/files/wovatuz.pdfIn PDF document text
- http://ipublicity.cz/data/file/lovifatafogowasali.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/tefomalivos.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210909025614.pdfIn PDF document text
- http://childconnect.com/swi/fckfiles/file/sasaxitomup.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/72db71cf9dc47332303653210e16b328/9601488099.pdfIn PDF document text
- http://nguyenthaotech.com/upload/files/11262156110.pdfIn PDF document text
- http://auto-rad.pl/userfiles/file/jitenonasodunikesopar.pdfIn PDF document text
- https://castel.ro/userfiles/file/legasipililolebanani.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/31329527111.pdfIn PDF document text
- http://cbafjvn.com/uploads/userfiles/file/donupusesobetekufufu.pdfIn PDF document text
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/zabalibemitokoxale.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6d15813aa---morasinetej.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/gokanok.pdfIn PDF document text
- http://robfredo.com/userfiles/file/66058197989.pdfIn PDF document text
- http://safires.cz/ckfinder/userfiles/files/31823337559.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/26789741892.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/39410790755.pdfIn PDF document text
- https://renebeumer.nl/userfiles/file/55747103956.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/77969188518.pdfIn PDF document text
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/86881412921.pdfIn PDF document text
- https://uangraja.com/contents/files/rigajobo.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/komimopetosukareruliv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=stranger+things+live+wallpaper+downloadPDF 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_off0000b966.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB966 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD178 | 16108 bytes |
SHA-256: 395904152bc741d52b374b0446529c7ec9b47671129f23cc166d1eedd2dcb6f5 |
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font_02_sfnt_off0000fac9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC9 | 10900 bytes |
SHA-256: 4c3f6f34c8b8c6799dc18897f814a8fed6eeca70bca876c4895c4b4117633690 |
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