MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. Multiple embedded URLs point to external resources, suggesting an attempt to redirect users to malicious content or download further payloads. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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://showdoimovel.com/files/files/tapusebixixulutalosixiv.pdf In PDF document text
- http://proximeo.com/ckfinder/userfiles/files/rubebugosoxerejolaxin.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4036351987.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/85616086757.pdfIn PDF document text
- http://photonart.nl/phpcmsys/file/5850380676.pdfIn PDF document text
- https://mumegram.com/userfiles/file/66500942970.pdfIn PDF document text
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/20039508661.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/sukizijanujezosuxawo.pdfIn PDF document text
- http://runhouchem.com/upload/files/rirojubozugukagav.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/66781598519.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/17478465696.pdfIn PDF document text
- https://bandotrading.it/uploads/file/rawigojotogiviwuz.pdfIn PDF document text
- https://drlanda.hu/user/file/xilalodazidupoxuselixiw.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/28791107530.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/golezoxanuxip.pdfIn PDF document text
- http://irths.com/upload_files/files/4410541473.pdfIn PDF document text
- http://galerie45.com/userfiles/file/7470068716.pdfIn PDF document text
- https://cuichi177.com/uploads/files/202109050514215474.pdfIn PDF document text
- http://ritadas.in/userfiles/file/88995591399.pdfIn PDF document text
- https://yourdentist.ro/app/webroot/files/userfiles/files/ripobijoka.pdfIn PDF document text
- http://www.ciesol.es/ckfinder/userfiles/files/54864929840.pdfIn PDF document text
- http://freeorden.com/media/file/12087447640.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=windows+8.1+pro+64+bit+product+keyPDF link annotation
- https://www.thc.gda.pl/ckfinder/userfiles/files/58067890075.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_off0000d7d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE6 | 17348 bytes |
SHA-256: 5381ab35321676be13ebbcf7a3578243feb1fe21daeade7e7bd97d7234025acf |
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font_02_sfnt_off00011d0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0D | 11396 bytes |
SHA-256: decc14f2ea3ed007499a9c40899b78bc7ace6c24de0a4194ca5898c4f5a1df8b |
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