MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, with high confidence. It contains embedded JavaScript and a large number of external links, many of which point to PDF files on various domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the download or redirection to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 http://gongotour.com/FileData/ckfinder/files/20210904_901D797490C6F250.pdf In PDF document text
- http://acecaalcoy.com/userfiles/file/nerixajufegejuzufomet.pdfIn PDF document text
- https://www.gurkhasfinance.com.np/ckfinder/userfiles/files/rolom.pdfIn PDF document text
- https://gencshow.com/upload/ckfinder/files/bubusalilelamazobarine.pdfIn PDF document text
- https://sunrisemotelbellevue.com/nbloom/fckuploads/file/47243425570.pdfIn PDF document text
- http://kengosushionlineorder.com/uploads/files/96041970185.pdfIn PDF document text
- http://crediramasrl.it/public/file/5284790486.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/vopalirek.pdfIn PDF document text
- http://kibbkw.com/uploads/file/70253836729.pdfIn PDF document text
- https://smobiil.eu/userfiles/files/labeziratakoja.pdfIn PDF document text
- http://racecross.com/upload/edito_fckeditor/file/65702261586.pdfIn PDF document text
- https://www.dtd.com.pk/ckfinder/userfiles/files/gufasenevorofin.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/fupusitu.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/59868776517.pdfIn PDF document text
- http://phanvienphianam.com/uploads/userfiles/file/dokitakejoboz.pdfIn PDF document text
- https://siangyun.com/upfiles/editor/files/redoxorafolo.pdfIn PDF document text
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/lixijapubiligexometo.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109040425352972.pdfIn PDF document text
- https://geniodelweb.com/file/47523694633.pdfIn PDF document text
- https://tour-paris-guide.com/cite_imgs/file/furazuxokozuxewazoj.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/92728484424.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/77589119064.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161484413b610c---zozenasawagu.pdfIn PDF document text
- https://kipass.fr/userfiles/file/metujuj.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/7362678999.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/lenumodomapesaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=i+only+miss+youPDF 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_off0000b557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB557 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD69 | 15992 bytes |
SHA-256: 4ed0bddeb83de9d3a5928f410de4348d74bebd6f172fd2373d2e4545eb006876 |
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font_02_sfnt_off0000f536.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF536 | 9940 bytes |
SHA-256: f3b92da414682508434a6315a3d3a22f6295e1016945c90bb7291c2a624cf321 |
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