MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://laborke.ru/uplcv?utm_term=rhythm+sight+reading+trainer+android PDF link annotation
- https://myphi.biz/nbloom/fckuploads/file/71696228628.pdfIn PDF document text
- http://etkenkalip.com/files/51341897111.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/39317378208.pdfIn PDF document text
- http://haustechnik-hagenauer.at/tunojigabemunatulizaxe.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141d262000e0---pepinoraditisa.pdfIn PDF document text
- http://pn-tech.net/userData/board/file/72003341911.pdfIn PDF document text
- http://hydrem.ru/images/file/devilukapevudotowikezon.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/32083841817.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/tabibanuborezeladawof.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/zamapupurosijedigilofavid.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf0dd45aa9---67853053088.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/xajegomapafudesen.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131af3eecf4a---saliwibolafurepavuped.pdfIn PDF document text
- https://k31szmq42-nu28.com/contents/files/75089462579.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/nutunuxuzebebez.pdfIn PDF document text
- http://sns.hu/_user/file/gexanogowotubul.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/90789699869.pdfIn PDF document text
- https://atlas-consulting.ro/fckeditor/fisiere/file/63679691049.pdfIn PDF document text
- http://cameradungphat.com/uploads/files/wodut.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/468f7781fda624f8f2db223d30e29533/5749409501.pdfIn PDF document text
- http://transchem-tech.com/Uploadfiles/files/52767138208.pdfIn PDF document text
- http://giaydantuongphongkhach.net/images/news/file/86320453262.pdfIn PDF document text
- http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/rafovibomopetoja.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_off0000c0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C9 | 17568 bytes |
SHA-256: 641cf1dcfa0f04d3bc6a96269477f2c3b288c62c4ae3aa987b5bfc0b9663cadc |
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font_02_sfnt_off00010590.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10590 | 10808 bytes |
SHA-256: 01b9ea2a1175803daa421bdfb005248b0d6e62bc76ec9d7dfd6d45037554b5b1 |
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