MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF exhibits characteristics of a phishing lure, including a small file size and an image-based appearance suggesting a clickable element. Heuristics indicate it functions as a link farm on disposable hosting, directing users to various PDF files hosted on different domains. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lead users to a credential harvesting or malware download site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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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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://hibertek.com/image/files/20210915_130557.pdf In PDF document text
- https://chingchia.com/uploads/files/202109031254487256.pdfIn PDF document text
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/rulizafipotebipa.pdfIn PDF document text
- http://zatacorp.com/upload/files/mizadosurevakox.pdfIn PDF document text
- http://feuerwehrobrigheim.de/upload/files/runokonutaviwiketoduvope.pdfIn PDF document text
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/tamejazamodat.pdfIn PDF document text
- http://photou.cc/ckfinder/userfiles/files/36542774211.pdfIn PDF document text
- https://solucionaesp.com/ckfinder/userfiles/files/41635242609.pdfIn PDF document text
- https://marbeyoyun.com/calisma2/files/uploads/90978398825.pdfIn PDF document text
- http://bawaconstructions.com/editorData/file/93404354761.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/wofaguvikatuvisis.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/mozizuxetolazalonavif.pdfIn PDF document text
- http://ferien-in-zahren.de/images/file/7332368282.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/53982741637.pdfIn PDF document text
- http://purofirstli.com/userfiles/files/naduwumumagapanut.pdfIn PDF document text
- http://swvocal.com/data/se2/file/29142536995.pdfIn PDF document text
- http://yetisirkaucuk.com/firma/files/38051851854.pdfIn PDF document text
- http://ambvetesopo.eu/userfiles/files/gelusidaz.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/75020544132.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/10605875909.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/69989427007.pdfIn PDF document text
- https://jagamimpi.com/contents/files/16479449429.pdfIn PDF document text
- http://vinhomeshaiphong.net/app/webroot/img/files/30862925171.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/76412319990.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/98834832389.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=the+carbon+footprintPDF 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_off0000aeae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEAE | 10464 bytes |
SHA-256: cdb2bb66c87f46367894c7de12ca80908726bb6b6614933274c07fe41d88cc95 |
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font_01_sfnt_off0000c621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC621 | 14000 bytes |
SHA-256: c227879bd2293181288585a66fce3e05df9b9307a9bb6a386f6451eb1d69ad0d |
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font_02_sfnt_off0000e8f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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