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, specifically as a phishing trojan. It contains a large number of embedded URIs, many pointing to unknown or suspicious domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high density of links on disposable hosting, reinforcing the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://fallsplat.se/bildbank/file/vipegobugedezomakubuko.pdf In PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/38f4a88ba8202e579fc2c10396d135c9/22083977160.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/kodemederukelutafowilefos.pdfIn PDF document text
- http://lex-ter.ru/admin/ckfinder/userfiles/files/28449474258.pdfIn PDF document text
- https://ustunbilgisayar.com/userfiles/files/vavimokar.pdfIn PDF document text
- https://neurondevelopment.org/userfiles/file/94438805402.pdfIn PDF document text
- http://astprom.ru/sites/default/files/file/legaxawun.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/userfiles/file/xoxemutawituxilazi.pdfIn PDF document text
- http://serdceprirody.ru/userfiles/file/9254547857.pdfIn PDF document text
- http://hijoin.hu/editor_up/xibanas.pdfIn PDF document text
- http://oshcongregation.com/userfiles/file/45138291337.pdfIn PDF document text
- http://ssp.by/var/upload/fajusuxuded.pdfIn PDF document text
- https://slotpt2.com/contents/files/nazal.pdfIn PDF document text
- http://studiodebiaggi.eu/userfiles/files/sofufapajepigegenogusom.pdfIn PDF document text
- https://alubiasdetolosa.com/files/galeria/files/buxukoberu.pdfIn PDF document text
- http://medrea.ru/upload/files/pimufexugonulevixevabi.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/javemi.pdfIn PDF document text
- http://sobateracota.ro/mm/file/botibegenita.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/fosuvipifebuk.pdfIn PDF document text
- https://termofriz.rs/files/gajixi.pdfIn PDF document text
- https://biogenetixpharma.com/ci/userfiles/files/jogid.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405f13346b6---suledufawujovul.pdfIn PDF document text
- http://fratellibeninca.com/images/file/28847812870.pdfIn PDF document text
- http://motivationandmomentum.net/ci/userfiles/files/jojozupudonaruligarasep.pdfIn PDF document text
- http://bud-med.eu/userfiles/file/nukafugenifumu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=it+is+an+application+use+to+share+files+between+cell+phones+with+only+the+bluetooth+is+onPDF 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_off0000ef03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF03 | 10968 bytes |
SHA-256: fe0e2c3b7c15f5c14e035618d03b10250fb59bb0e75e498217ada68e2bd8e12f |
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font_01_sfnt_off0001083c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083C | 18052 bytes |
SHA-256: 2320190973dd6bdf636ab07c2412a0d7575ee78d247e5a46fab40d55cb1e32d3 |
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font_02_sfnt_off00013784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13784 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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