MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document likely prompts the user to install a browser extension or update, a common social engineering tactic. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it may lead to further malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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 http://gusanhightec.com/userData/board/file/21665471093.pdf In PDF document text
- https://nothingbutsafetyglasses.com/userfiles/file/moridokoda.pdfIn PDF document text
- https://dolaodong.com/userfiles/file/33928904440.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614097deb36b1---11929142539.pdfIn PDF document text
- http://cobe-ing.it/userfiles/files/57078518256.pdfIn PDF document text
- http://abwlanham.com/uploads/files/59782485439.pdfIn PDF document text
- http://fazekaskozpont.hu/images/upload/file/kajikupavudakajajupo.pdfIn PDF document text
- https://cfbadalona.net/ckdata/files/45668672319.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/lefuw.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/zoluza.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/86605921278.pdfIn PDF document text
- https://jasmijnbloemengroen.nl/userfiles/file/fefupotiju.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/xutujimofurugiguv.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a18a036df5---64679411079.pdfIn PDF document text
- http://helloshoppingnepal.com/userfiles/file/32413370803.pdfIn PDF document text
- http://likebarcode.com/image/files/20210908_025800.pdfIn PDF document text
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/72268414063.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/43876188336.pdfIn PDF document text
- http://euro520.net/userfiles/file/16310242651976131256.pdfIn PDF document text
- http://partnercable.com/files/denasigazo.pdfIn PDF document text
- https://gemma.lucien-sv.info/uploads/files/613c03b21ba30.pdfIn PDF document text
- http://katachizu.com/img/news/files/21833912077.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+recover+documents+after+factory+resetPDF 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_off0000e26d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA84 | 10856 bytes |
SHA-256: f074d97decc07321f8cdb9677eaf703efadb98098066d5f74e71aad17eb2e53a |
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font_02_sfnt_off000113ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113AB | 18572 bytes |
SHA-256: d5fe2fee51460a074454d2e55f4d2fdb5dedcfa1d788ac52d3b5e9cccc1a6c38 |
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