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 threat. It contains a large number of embedded URLs, many of which point to disposable hosting, suggesting a link farm designed to distribute malicious content or phish for credentials. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 https://medvor.ru/uplcv?utm_term=papa+pear+saga+android+download PDF link annotation
- http://luligang.com/ckfinder/userfiles/files/94914995266.pdfIn PDF document text
- https://totounited.com/contents/files/26114135568.pdfIn PDF document text
- http://polipadel.com/userfiles/file/60076067062.pdfIn PDF document text
- http://obkladlazby.cz/userfiles/file/2625219559.pdfIn PDF document text
- https://vibingvibes.com/userfiles/files/reweg.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/c044f5efd0d7f791663af7fb0c4be8ba/65774548264.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/noguxazesalevesedanerur.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/wewuralogedogetikovifid.pdfIn PDF document text
- https://huanghecables.com/d/files/8701747221.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/61094482338.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137ace176254---88672799188.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/biwavupa.pdfIn PDF document text
- https://anup.bo/images/files/23251441693.pdfIn PDF document text
- http://senvietsystem.com/ckeditor/upload/files/gekuxilinugedurosazimu.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/rufodafu.pdfIn PDF document text
- https://steammining.com/userfiles/file/67892670187.pdfIn PDF document text
- http://begues.mobi/userfiles/file/godik.pdfIn PDF document text
- http://ledins.lv/cms/file/zavakofodepojugojawan.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16140e8d8b320b---3328200876.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/20338220370.pdfIn PDF document text
- https://activepymes.com/pub/file/74472497154.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/fesugurumidolopuvo.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_off0000abc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABC4 | 10556 bytes |
SHA-256: ce32aab00d763e36a7b87ad986998f61b6c6be858af2ee720ab7154d98530e09 |
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font_01_sfnt_off0000c3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dbd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD6 | 14988 bytes |
SHA-256: d5b2d56b8db500aa253ebafd593223415616c1a06f7cfe59f6d5968c3b761d87 |
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