MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pistant.ru/uplcv?utm_term=wolfgang+amadeus+mozart+characteristics PDF link annotation
- https://livres-d-art.com/ckfinder/userfiles/files/42621468939.pdfIn PDF document text
- http://ashioke.com/images/library/File/75455011742.pdfIn PDF document text
- http://pegastelco.com/pictures/files/petuxudoloxede.pdfIn PDF document text
- http://skolky.info/foto/images/file/dazim.pdfIn PDF document text
- http://streathamtaxi.com/survey/userfiles/files/4581194781.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613582fcc8489---misigexotuxofiri.pdfIn PDF document text
- http://csc0311.com/userfiles/file/20210901203415_lwgsyf.pdfIn PDF document text
- http://signauction.net/userfiles/file/84211782298.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210907202440.pdfIn PDF document text
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/bunapurenajifote.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/1349709975.pdfIn PDF document text
- http://hbaoge.com/upload/files/tijunufiteriwefawi.pdfIn PDF document text
- https://bhsbeacon.com/FCKeditor/file/79922963021.pdfIn PDF document text
- https://duvanco.be/docs/files/46633836413.pdfIn PDF document text
- http://gevenschoenen.nl/ckfinder/userfiles/files/12115064865.pdfIn PDF document text
- https://24emk.ru/ckfinder/userfiles/files/vigezifusawik.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/22980866253.pdfIn PDF document text
- http://thebankcardservice.com/uploads/files/64463425045.pdfIn PDF document text
- https://signika.pl/Upload/file/bedofatexo.pdfIn PDF document text
- http://stapper.de/sites/default/files/userfilesfile/rederidex.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/tuwisugefewososalabirawup.pdfIn PDF document text
- http://soloparamideco.com/js/new/fckeditor/userfiles/file/ruzaxomujokekakuxoxaw.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/33710835358.pdfIn PDF document text
- https://paramourpourbebe.com/userfiles/file/44165233756.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/32104765384.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_off0000c0a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0A5 | 18216 bytes |
SHA-256: 777cc8924ba73aa339e3e555ac2c2c2f4f75b84e66d5f81e7b4f5641b929d3dc |
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font_01_sfnt_off0000ef76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF76 | 11076 bytes |
SHA-256: ce7ac22572f9d8dc5a8291b8aaa34d25868c976e523039a1ab3aae2495b178dc |
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font_02_sfnt_off000108f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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