MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to PDF files on potentially disposable domains, suggests a link farm or redirection mechanism designed to lead users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://millinerandassoc.com/files/file/fubimoxakipitizowakob.pdf In PDF document text
- https://thegmsbihta.eruditiontech.com/userfiles/file/5924275712.pdfIn PDF document text
- https://sproname.com/files/userfiles/files/sagakugesajurakulew.pdfIn PDF document text
- http://lamachine.nl/userfiles/file/85105687835.pdfIn PDF document text
- http://mathcountsoutreach.org/userfiles/file/72573871554.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/gavelupekuwowinaloperexu.pdfIn PDF document text
- https://dichvuhappyhouse.com/upload/files/ruviz.pdfIn PDF document text
- https://www.campacinter.com/image/upload/File/kefipebiji.pdfIn PDF document text
- http://american-security-inc.com/assets/ckfinder/userfiles/files/33818924282.pdfIn PDF document text
- http://thanhcongtechtra.com/upload/files/gepure.pdfIn PDF document text
- http://lamay.de/userfiles/file/tetatozolisiketo.pdfIn PDF document text
- http://helenhotel.vn/upload/files/xomoj.pdfIn PDF document text
- https://ph2020.org/FCKeditor/file/41915670857.pdfIn PDF document text
- http://upoart.com/ckfinder/userfiles/files/53382649425.pdfIn PDF document text
- http://makassitools.com/userfiles/file///supanuw.pdfIn PDF document text
- https://x-leather.com/radsportfiles/file/7325256066.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16144f51477132---xamebexokozo.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/87048692944.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/58890368260.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/58224601054.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/73887138202.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134c0edf3553---8290356263.pdfIn PDF document text
- http://ztkammer.at/uploads/file/zanurukerivusozosadujifaj.pdfIn PDF document text
- http://agapetown.net/ckfinder/userfiles/files/vetinigejepozutejikile.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/fibuse.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=download+campbell+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_off0000b5a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5A7 | 10548 bytes |
SHA-256: 4f4c1aad48ffa768642b81759530d5d69383e15c3b8837c06b66575677fa4549 |
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font_01_sfnt_off0000cd7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e591.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE591 | 16376 bytes |
SHA-256: 9e9f0b75471be7b3694546df0863be49722ed9ad889eeb7441b6638027af18fc |
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