MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains a large number of embedded URLs, many of which point to disposable hosting and appear to be part of a link farm. The primary function seems to be redirecting users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=anugraheethan+antony+torrent+magnet PDF link annotation
- http://emailreceptionist.net/userfiles/file/tubibejol.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/fumiroguxebut.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/41873018089.pdfIn PDF document text
- http://tarnava.eu/user_images/file/wexakuxetuxa.pdfIn PDF document text
- http://juentai.com/userfiles/files/madowime.pdfIn PDF document text
- https://fsreloading.com/userfiles/files/sugenabivokavekuxi.pdfIn PDF document text
- http://mweb.cz/images/file/dirikerosukopiwowasepodot.pdfIn PDF document text
- https://poulinstrapscan.com/userfiles/file/xupimotadawegemijib.pdfIn PDF document text
- https://ist-lb1.istanajp.com/contents/files/81408711458.pdfIn PDF document text
- https://irastuff.com/admin/ckfinder/uploads/files/34629900897.pdfIn PDF document text
- https://dnm.tw/uploads/files/202109111225096156.pdfIn PDF document text
- https://vanchuyensahara.com/site/files/sumijevoli.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161464c1f32811---70371406886.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/fodibusaxe.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/27681483177.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/30661101157.pdfIn PDF document text
- http://96rangjai.com/userfiles/file/kelixagodomeremidafav.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/82812024612.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/zapem.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210904145031.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/82605599964.pdfIn PDF document text
- https://brillimet.com/uploads/files/202109050409395858.pdfIn PDF document text
- http://cravaluos.com/ckfinder/userfiles/files/55798957550.pdfIn PDF document text
- http://ankamet.com/userfiles/file/tuxatirorax.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/fc62f853fb0c6820b3c80dd08b98f2d4/62521055570.pdfIn PDF document text
- 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_off0000b064.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB064 | 10444 bytes |
SHA-256: 2839debba1afdfa92339e4320b2d18e626d46c77979ea3f75a60876bb41c49e8 |
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font_01_sfnt_off0000c7f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE004 | 15700 bytes |
SHA-256: c3d48e6370a8208b31c4110e516d2cba45e9d2ad43ed262a0847039578da60f4 |
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