MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous links to external websites, many hosted on potentially compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the nature of the links and the ClamAV detection as 'Pdf.Phishing.Trojan' indicate a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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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 http://x04ydivan.ru/userfiles/file/xopoxegisafekodimokar.pdf In PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/5843c47a20d6d8b23d46a5ecc617d9d7/31632100639.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/30588112945.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086dc7eaa391---fawixog.pdfIn PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/xilaruvezumixuxig.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/31938835284.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/24786235360.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/34618071306.pdfIn PDF document text
- http://ahlhy.com/uploads/file/150749597072.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/wupewude.pdfIn PDF document text
- https://travelstore.tn/userfiles/file/60224655982.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/77431752139.pdfIn PDF document text
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/41091164742.pdfIn PDF document text
- http://imaginove.eu/data/Files/19826792876.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/16119444183.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/28893905771.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b733ae162---99468667227.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d7dab46ff45---35734144548.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/57702570235.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/doter.pdfIn PDF document text
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/30050116115.pdfIn PDF document text
- https://galedo.cz/www/data/cms_files/files/revoruzovuromutedosanawel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=simple+present+vs+present+continuous+exercise+multiple+choicePDF 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_off0000bdff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDFF | 10820 bytes |
SHA-256: 2d22ac578f5aecc973cc0c439219a436635fd37e42c7892e5fb4370174f83f38 |
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font_01_sfnt_off0000d6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BE | 15900 bytes |
SHA-256: a7a1384c847187d15ef5d1761870f5bb322aaef2c3dddd4e972fccaeecc727ed |
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font_02_sfnt_off0000fe84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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