MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on domains with low reputation or are part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites for further exploitation or phishing. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://sattosushi.com/uploads/files/40420132289.pdf In PDF document text
- https://srmhomes.com/images/bulk_images/files/3734492118.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/zunupola.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/75164008393.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/gufulonewoxegudizo.pdfIn PDF document text
- https://bandotrading.com/uploads/file/65501008486.pdfIn PDF document text
- http://elateridae.com/images/FCKeditor/file/butikegudididozomavod.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/likovozalu.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/wilujimuwi.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/busesabixuloj.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/2464129716.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/5216765373.pdfIn PDF document text
- https://funstore.dialog.org/userfiles/file/lonarekojevuvelexuf.pdfIn PDF document text
- http://yugreat.com/filespath/files/20210901112547.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/78987952156.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec07c9d68a---zupakasujo.pdfIn PDF document text
- https://consultemergingmarkets.cubsindia.com/files/66107985767.pdfIn PDF document text
- http://mylodge-naoshima.com/6423251741.pdfIn PDF document text
- http://homeloanz.net/images/e/file/44840122849.pdfIn PDF document text
- http://photopuzzle.net/userData/board/file/vazupiguxamajesa.pdfIn PDF document text
- https://igescanada.com/ckfinder/userfiles/files/44136718909.pdfIn PDF document text
- http://fivelscope.net/fckimages/36319920977.pdfIn PDF document text
- http://www.jysunshine-hotel.com/up_files/file/15507782834.pdfIn PDF document text
- http://weilandvloeren.nl/fckimages/77375757092.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=play+simcity+2000+online+freePDF 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_off0000b280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB280 | 17040 bytes |
SHA-256: 2173a34c8af930559f2efa553f9db94ba4073df63dda0d6cc1074a0e2aa1e683 |
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font_01_sfnt_off0000debc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEBC | 10856 bytes |
SHA-256: 19604e145d25be08dbe13885917fcb61500c651d0eb4b4f7ead2c2db78ec4eb5 |
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font_02_sfnt_off0000f7e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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