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, indicative of a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://tonymusic.se/UserFiles/files/bekoxa.pdf In PDF document text
- https://s-h.cc/uploads/files/202109060432108879.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/89293754036.pdfIn PDF document text
- http://diagcorlifescience.com/attachment/file/pitasexanu.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/jurejugubuloraw.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/tozawupedarobor.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/dalubekukoxaret.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/93402549533.pdfIn PDF document text
- http://armanetti.com/images/33422027823.pdfIn PDF document text
- http://honghuibio.com/d/files/63078450395.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/20406409592.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613be00a8b876---wugazoxuduzawatepewo.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/xejajofevuton.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/jogaziladivosalefa.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/66668414883.pdfIn PDF document text
- http://ledspectrumthai.com/ckfinder/userfiles/files/56501514656.pdfIn PDF document text
- https://safecampus.in/cmsCart/upload/file/zekabopizokufevegus.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/tibovidagegakises.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/zigimowovevugegikevubezeg.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/ic2g30eu1qjagmvao18s0nk7ep/69411645667.pdfIn PDF document text
- http://tubesealer.com/uploaded/file/13785916166134dbbf4b833.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/e5tr4oc01upqiahbdvapjcnfva/34739416586.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109050925301252.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=quantum+mechanics+by+leonard+susskind+pdfPDF 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_off0000dc7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f490.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF490 | 18520 bytes |
SHA-256: 3eed47712dee89145aaaebc7bfca8ba9f32d936fc4adf1a72a6f749698874fe5 |
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font_02_sfnt_off00012387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12387 | 11392 bytes |
SHA-256: 7daaca921c372b25c458436e21f4dc6425be5cf14efb05440be8f0437ff73d9b |
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