MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm or redirection mechanism. ClamAV detection and ML classification further confirm its malicious nature, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://vettercycles.ch/userfiles/files/gaxuxabekasap.pdf In PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/85862489317.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/rizutelawajagemil.pdfIn PDF document text
- https://tsydesign.com/userfiles/jws/files/51647615623.pdfIn PDF document text
- http://pactolous.hu/upload/file/4029162594.pdfIn PDF document text
- https://codefon.hu/js/ckfinder/userfiles/files/64647597018.pdfIn PDF document text
- https://derey.nl/app/webroot/files/userfiles/files/77363414004.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/lejuwawusube.pdfIn PDF document text
- http://palletgoanloi.com/img-dn/files/5943156077.pdfIn PDF document text
- http://cmorshomecareassociates.org/uploaded_files/userfiles/files/37657903887.pdfIn PDF document text
- http://garage-ys.info/js/upload/files/98281810916.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/68892667610.pdfIn PDF document text
- http://trunghungplastic.com/luutru/files/95529402989.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/66163435893.pdfIn PDF document text
- http://vesimport.ru/userfiles/file/47720238000.pdfIn PDF document text
- https://ka-base.no/images_content/file/ledajugotizabisaxapiju.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613778b1c67c8---nabiwe.pdfIn PDF document text
- http://elhammagazine.com/ckfinder/userfiles/files/6941065913.pdfIn PDF document text
- http://ruihuitax.com/files/file/danuvunabo.pdfIn PDF document text
- https://kcharp.com/ckfinder/userfiles/files/zakela.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613370c440c26---sinaxefazumow.pdfIn PDF document text
- http://jhdljz.com/userfiles/file/1631010047.pdfIn PDF document text
- http://uekekb.ru/!upload/files/33353473594.pdfIn PDF document text
- https://anandalaya.in/resources/file/jemopul.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+transfer+text+messages+from+android+to+android+using+bluetoothPDF 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_off0000e091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE091 | 11220 bytes |
SHA-256: 84dc1dd1fd9e1fcc7d034a859ffdce97767d6159bb761f60926e8be3d0ea322c |
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font_01_sfnt_off0000fa7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA7D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001128f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128F | 18208 bytes |
SHA-256: 291ad6d759c7d4c89c300d76e467da2c3abbf9ec9bad0eb568679eeb18e75829 |
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