MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous embedded URLs, many pointing to disposable domains and employing UTM parameters, strongly suggests a phishing or link-farming attack pattern. The ML classifier also indicated a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://huntic.ru/uplcv?utm_term=research+keyword+tools PDF link annotation
- http://aucoindeshalles.com/menu/file/49783453316.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/xazezesagejogamudibikozig.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140d6cec1807---naxizorubovelosodo.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/mivizonarotusom.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/vivipolajejitasat.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/zadenifavitomepigevom.pdfIn PDF document text
- http://tumwebthailand.com/ckfinder/userfiles/files/70788458374.pdfIn PDF document text
- http://astmasme.com/userData/board/file/30826984184.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/bigaxob.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/89335055633.pdfIn PDF document text
- https://km2804.com/ckupload/files/22570292875.pdfIn PDF document text
- http://savalis.ru/userfiles/file/koloxarefewosirufawerex.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/39572984964.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16137b739a455c---levelinak.pdfIn PDF document text
- http://philipsphotographystudio.com/xuforinoja.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/lunugubuwatunus.pdfIn PDF document text
- http://www.kroonzuivel.nl/ckfinder/userfiles/files/50426547639.pdfIn PDF document text
- http://elmbbq.com/uploads/files/dunubebefozufiweku.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/josikorusabebi.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/7123968256.pdfIn PDF document text
- https://quizai.com/uploads/files/43511209447.pdfIn PDF document text
- https://bhsbeacon.com/FCKeditor/file/vuxokapiwemugobeno.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/subokozevenelebirizenuzu.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/raputumoxolapirapud.pdfIn PDF document text
- http://slbreakingnews.com/ckfinder/userfiles/files/xavuvedaxevokorewidu.pdfIn PDF document text
- http://smepil.com/ckeditor/userfiles/files/62537479147.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_off0000b73b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB73B | 10608 bytes |
SHA-256: 1bb850857550f247dfec94eb383edff7640b8933134d8197393a583d3dcc1256 |
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font_01_sfnt_off0000cfc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e7d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D9 | 18256 bytes |
SHA-256: c751ed1c62172fa0f157c5db0f57c102601e9c3e185bc730e21211687f315fa9 |
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