MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to suspicious domains and are part of a link farm, suggesting a phishing or redirection attempt. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and heuristic firings strongly suggest a malicious intent to redirect users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://canhtoanland.com/upload/files/zinulurokinabizi.pdf In PDF document text
- https://www.colegiumaniucarei.ro/ckfinder/userfiles/files/luwinu.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210924082843.pdfIn PDF document text
- http://pnc21.com/files/fckeditor/file/4112318886164d87a3b54c.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/64294113411.pdfIn PDF document text
- http://helenhotel.vn/upload/files/6921638813.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/welef.pdfIn PDF document text
- http://redemaisfarma.com/userfiles/file/92093261946.pdfIn PDF document text
- https://www.amata.org.uk/ckfinder/userfiles/files/lokotixezimowipe.pdfIn PDF document text
- https://jdsliquorlocker.com/nbloom/fckuploads/file/defagidadesoguzoda.pdfIn PDF document text
- http://mariondhuique-mayer.com/data/file/57118979288.pdfIn PDF document text
- http://brandiassociati.it/userfiles/file/xabikabetuzoter.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/62293981694.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/botasomakuzi.pdfIn PDF document text
- http://remont-etalon.ru/upload/files/16077972253.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/miwiwolexunoma.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/62266354739.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/60584337507.pdfIn PDF document text
- https://sportsht.com/userfiles/file/nobomoted.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/91904954248.pdfIn PDF document text
- https://viveironativodevicosa.com.br/ckfinder/userfiles/files/levusubuwilabidobutipag.pdfIn PDF document text
- https://bahceneryaman.net/public/content-images/files/veruwavobepunejok.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20210910_222108.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/64388baf9a37944bd72e49f3d8266d83/211414608.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615185df0b761---nokodobijiseruz.pdfIn PDF document text
- http://headrepublic.pl/images/files/pivogarepuwegi.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/vItLtdF7Pec/uplcv?utm_term=flat+plate+collector+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_off0000bbad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBAD | 16964 bytes |
SHA-256: 7a6d692b43a3d31ed23ebbcb2544c2d224ee3018146233751d11b785eb093ead |
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font_01_sfnt_off0000e718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE718 | 10224 bytes |
SHA-256: 5abcfb69320f7d4b5e74c8095ea92d8ec03c797b4b2ded0d47b36a3cca8e7537 |
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font_02_sfnt_off0000fe31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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