MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate a link farm designed to redirect users, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://huntic.ru/uplcv?utm_term=ocultar+barra+de+notifica%C3%A7%C3%B5es+android PDF link annotation
- http://solarissoft.com/img/userfiles/files/doluponej.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/woxogas.pdfIn PDF document text
- http://strategie-online.net/catalogue_dynamique/file/posufexa.pdfIn PDF document text
- http://aajude.pt/backoffice/ckfinder/userfiles/files/gizugudidivi.pdfIn PDF document text
- https://czus-lukasa.sk/userfiles/file/25740259098.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/figujililimizejixevux.pdfIn PDF document text
- http://dezis.ru/uploads/files/21493203202.pdfIn PDF document text
- http://www.tahi.hu/ckfinder/userfiles/files/zutoguter.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/sutusel.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135dfd58f380---7088053899.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613df86d7b261---nopinojovowon.pdfIn PDF document text
- https://millinerandassoc.com/files/file/pevuvu.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/15122716917.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/733354898.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210908145710.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/22027612317.pdfIn PDF document text
- http://mayingiabao.com/upload/files/lofekajun.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/3125114298.pdfIn PDF document text
- http://theprofitnesstrainers.com/userfiles/file/favavuzirera.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/8053618012.pdfIn PDF document text
- http://posicert.com/upload_fck/file/2021-9-5/20210905065919757664.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614252ce70862---12156553599.pdfIn PDF document text
- https://ngonluathan.com/images/ckeditor/files/texidakofawiriruf.pdfIn PDF document text
- http://ansatrans.ru/admin/ckfinder/userfiles/files/natofowakumufilasirufumam.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_off0000daca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDACA | 11156 bytes |
SHA-256: 6dcb62041f4530c0a51ff4ae09f785ce33d8c9ac0eaddfd78937fd7343d22d8a |
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font_01_sfnt_off0000f465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF465 | 19736 bytes |
SHA-256: 1ab157335fd04f03cf2f6c20fb8288a4b18de5384366af3d7b5df29241d6fe12 |
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font_02_sfnt_off00012537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12537 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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