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 URLs, many of which are hosted on disposable domains or appear to be part of a link farm, indicating a strong likelihood of phishing or malware distribution. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9824
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://medvor.ru/uplcv?utm_term=text+repeater+telegram PDF link annotation
- http://usmleworkout.com/files/file/pakuwoxiwelopevawujakoba.pdfIn PDF document text
- https://faceless.me/userfiles/files/7197017504.pdfIn PDF document text
- http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/45975851130.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/44619381481.pdfIn PDF document text
- http://sgrdpandher.com/userfiles/file/7982238857.pdfIn PDF document text
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/puname.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137381063ada---81205141689.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/namewejuged.pdfIn PDF document text
- https://datajournonepal.org/files/gimagufadogubojagazodaj.pdfIn PDF document text
- http://edmo-cars.nl/images/file/81944748426.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109090632198532.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/86015978936.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/baloluligulosononuba.pdfIn PDF document text
- http://arenabilardo.com/data/_files/81652539896.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/fexoruguvazalejusojum.pdfIn PDF document text
- https://braveathlete.net/geektic/files/kutexozaku.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/49494264084.pdfIn PDF document text
- http://mcserpenti.com/userfiles/file/18130572785.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/536d330db06058ea63a0218382eb57cc/37370274765.pdfIn PDF document text
- https://csmgh.net/pevron/www/img/file/57572789644.pdfIn PDF document text
- http://www.tecnologycenter.com/admin/uploaded/fck/file/somuwuzusekilemelewegide.pdfIn PDF document text
- https://ginniglobal.com/uploads/file/7460964496.pdfIn PDF document text
- https://nepalipublisher.com/ckfinder/userfiles/files/rosesosovavenekozosurum.pdfIn PDF document text
- http://titishop.co/upload/files/rumokamenevok.pdfIn PDF document text
- http://theheavent.com/userfiles/files/15616079857.pdfIn PDF document text
- http://paulabenveniste.com/UserFiles/file/26042170517.pdfIn PDF document text
- http://annabarons.com/files/files/tupenowegexil.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_off0000ddaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDAF | 19644 bytes |
SHA-256: 2df45e60f0c2d5b8ff4b03170c8b0aa25f40e196af8573e3a75bd9bc05aaa5be |
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font_01_sfnt_off00010f84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001279b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1279B | 10176 bytes |
SHA-256: b18e637730fc7c16b6070f8d4aad9306df2965bc31377e42445ee4159835913e |
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