MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates that the PDF is designed to redirect users to a large number of distinct, potentially malicious websites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://taiwanquinoafamily.com/shopadmin/upload/files/44531519191.pdf In PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/zufamugedupetiwafaga.pdfIn PDF document text
- https://kaimano.it/file/kagoxipagefofobo.pdfIn PDF document text
- http://sjmhospital.org/files/js/ckfinder/userfiles/files/temanegotol.pdfIn PDF document text
- http://hwayinn.com/image/files/20210901_105015.pdfIn PDF document text
- http://bankerz.in/qpic/files/30626833392.pdfIn PDF document text
- https://easternresources.net/ckfinder/userfiles/files/84869654487.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/rabuvopixubixiwezogizimok.pdfIn PDF document text
- https://tranhdaquyhn.com/uploads/news_file/galupagitu.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/21451980848.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147c5da2bd2a---10114998181.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/jitevesorudobesaganubawe.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/somapekeli.pdfIn PDF document text
- http://polaryachtmanufactory.com/res/wysiwyg/file/fopokogireg.pdfIn PDF document text
- https://eltechma.com/zdjecia/fck/file/9449496217.pdfIn PDF document text
- http://perfectionistpaintingnj.com/ckfinder/userfiles/files/supikutibulebimu.pdfIn PDF document text
- http://e68momo.com/shopadmin/upload/files/21091318656.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/gowopebas.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/95243007768.pdfIn PDF document text
- http://daehnfeldt.com/userfiles/file/74366274046.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/dcgv42tvfc7mcm9atelt0q51u2/43253076845.pdfIn PDF document text
- http://orthodoxnews.us/file/82307391243.pdfIn PDF document text
- http://logicparcel.net/uploadsEditorfile/luxalubatiremokosikuxezi.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/80015557097.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=android+recall+text+messagePDF 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_off0000c28c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC28C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA3 | 10796 bytes |
SHA-256: 58357f9d835f3845556b90a2c10c2b846198a5f4e690af5536ac05f0cc6e418f |
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font_02_sfnt_off0000f34e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34E | 17616 bytes |
SHA-256: 711f7626495b4d8f239b6392ad19ce81e82523d8c128140a8306febc38d30b92 |
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