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 point to a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or SEO poisoning by directing users to a network of malicious PDFs. No specific malware family could be confidently identified.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://elitsatodorova.com/uploadfiles/file/figixaseto.pdf In PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/zoboforubavugamaxodazate.pdfIn PDF document text
- https://fivetc.vn/uploads/files/senuvenokopotizodaroxeda.pdfIn PDF document text
- http://www.santamyoga.be/images/file/50497632373.pdfIn PDF document text
- https://sarna-zapiekanki.pl/ckfinder/userfiles/files/majagiresazigepimuduw.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/51482490707.pdfIn PDF document text
- http://mail-ex.net/userfiles/file/norulonot.pdfIn PDF document text
- http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/simet.pdfIn PDF document text
- http://cssh.es/img/file/getanoxijufejo.pdfIn PDF document text
- http://sahcarpets.com/userfiles/file/4982036266.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/vuwom.pdfIn PDF document text
- https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/73048861297.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/25500661973.pdfIn PDF document text
- https://qualitygums.com/userfiles/file/devugusubabo.pdfIn PDF document text
- http://prepearl.com/uploadsfile/bujoxi.pdfIn PDF document text
- http://sirinthepgroup.com/userfiles/file/tudofedevowusat.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/jolizubusoluvoforu.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138970856688---23064066497.pdfIn PDF document text
- http://uslugi-ogrodnicze.pl/pliki/File/ligasokezuvizenipafuwilo.pdfIn PDF document text
- https://e-midas.ro/files/file/motuparukiropekadal.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/99065074356.pdfIn PDF document text
- http://nature-revive.org/files/file/39062560658.pdfIn PDF document text
- http://energy-labels.nl/userfiles/file/nutipeg.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/xegowafebebupumasuv.pdfIn PDF document text
- https://anne-berger.de/sites/anne-berger.de/files/fkcfile/21279533043.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=kotlin+create+pdf+filePDF 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_off0000dc0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC0B | 10436 bytes |
SHA-256: 684eb5d3f81467c8d54111bd3729cd8fea9e4035697a2bb9dc8868170db4f40e |
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font_01_sfnt_off0000f3c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C8 | 18572 bytes |
SHA-256: 7786a6381efa5625ce2c4ff45480494a3b392b47741a575e21e2434b85f68377 |
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font_02_sfnt_off0001252d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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