MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. It contains numerous external URLs, suggesting it functions as a link farm or a lure to phishing or malware-hosting sites. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further support its role in directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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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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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://catamma.ru/uplcv?utm_term=android+sip+demo+tutorial PDF link annotation
- https://www.hsbofmn.com/ckfinder/userfiles/files/robejudaweropejixisaf.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16136ad51e8fe8---19009257703.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/63416080483.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/nosemorogemimax.pdfIn PDF document text
- http://85560891.com/upfolder/e/files/20210904144951.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/41974679032.pdfIn PDF document text
- https://mp2020.csysadmin.com/ckfinder/userfiles/files/89315622532.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/galotoberogutavukujeda.pdfIn PDF document text
- https://firsatoyun.com/calisma2/files/uploads/29519596566.pdfIn PDF document text
- https://m-isc.com/userfiles/file/1797619503.pdfIn PDF document text
- https://alariel.be/userfiles/file/8894644424.pdfIn PDF document text
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/7060885141.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/b691f4b1847eec50fc9d9cd976d21d62/wixotow.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/75866319258.pdfIn PDF document text
- https://horizontire.com/userfiles/file/rivufeletegegovo.pdfIn PDF document text
- https://blv.by/upload/editor/files/janoxowan.pdfIn PDF document text
- http://aj-freight.com/ckfinder/userfiles/files/bekenolugetopufivosu.pdfIn PDF document text
- https://fanaf.org/article_ressources/file/luzutem.pdfIn PDF document text
- http://i-dron.cz/data/file/26235538617.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/nubegenekifuxe.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/vawudenukujemejuguzejub.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/39970710544.pdfIn PDF document text
- http://puisan.ru/uploads/file/82760676262.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_off0000e3e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E5 | 21864 bytes |
SHA-256: 396bdc2b4f71def023c363e273f6379e64b67dec80ff7a6b503534bce947f8b7 |
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font_01_sfnt_off00011cca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000134e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134E1 | 10636 bytes |
SHA-256: b7afe86b472e55877ec9c0878e51db6d839af80575a5c022503e2a58b7767b0a |
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