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 are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://chanhbon.vn/media/ftp/file/41236274288.pdf In PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210912200615.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/57721082278.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/taxerorotu.pdfIn PDF document text
- http://dakmet.pl/upload/48520279260.pdfIn PDF document text
- https://md-bud.pl/szklo/photos/file/18789148534.pdfIn PDF document text
- https://kebecelectrique.com/upload/editor/file/90009679073.pdfIn PDF document text
- http://brickform.cz/obrazky/files/mepimipixa.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/53b79c54879d7e0ec04baefa5aee3690/nukepijajanikasit.pdfIn PDF document text
- https://md-bud.pl/szklo/photos/file/84335832444.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/kowefori.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/noxaxalowinedip.pdfIn PDF document text
- https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/rabaguwodeviba.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e86fe0644---2765615015.pdfIn PDF document text
- http://spartapr.com/images/upload/file/56773618903.pdfIn PDF document text
- http://thaide.org/userfiles/file/mebotazosogo.pdfIn PDF document text
- http://www.tecnobor.com/ckfinder/userfiles/files/zigotapavinozonu.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/40160744075.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/zates.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/46065489358.pdfIn PDF document text
- http://tucsokszekszard.hu/images/news/file/rufizuxun.pdfIn PDF document text
- http://motoren-adachi.com/js/upload/files/fanifununipezimevo.pdfIn PDF document text
- https://www.alugutader.fr/ckfinder/userfiles/files/74352144499.pdfIn PDF document text
- http://dnt-mayak.ru/content/File/43366713052.pdfIn PDF document text
- http://podlahypilat.cz/admin/file/3089548778.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=set+hotspot+password+androidPDF 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_off0000b20a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB20A | 10604 bytes |
SHA-256: 82434f2d9368b8e41b5c419b5a8ed8fd8b7c7660ba2c0c3a15b652dfe8f7c450 |
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font_01_sfnt_off0000ca45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA45 | 16452 bytes |
SHA-256: e14f9b83974d0c0974d1bf3d058ee5fd1b9ee7f6e2c96c9dbffca26d486fd6c4 |
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font_02_sfnt_off0000f406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF406 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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