MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The document body contains text about common grammatical mistakes, likely a lure to disguise the embedded links. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the PDF is part of a link farm on disposable hosting, and the PDF_URI heuristic points to a URL that appears to be a keyword-based redirector. These elements suggest the PDF is designed to lead users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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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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://dutilugamon.weebly.com/uploads/1/3/5/3/135301630/zuwuxiniledadi-jabimumotu-xekexixexameg.pdf In PDF document text
- http://www.upratujemeinak.sk/admin/ckeditor/kcfinder/upload/files/jukivuguku.pdfIn PDF document text
- https://fezekisovo.weebly.com/uploads/1/3/4/6/134661064/9365473.pdfIn PDF document text
- https://hinaweb.com/upload/file/lolebinerawozet.pdfIn PDF document text
- https://communeouchamps.fr/userfiles/file/witinekuzumosejusanugota.pdfIn PDF document text
- http://www.eatvirukai.lt/uploads/files/tugaxizefuvumozefosupigu.pdfIn PDF document text
- http://intertexmedical.com/userfiles/files/davoxikiv.pdfIn PDF document text
- http://pietrek.com/MARCUS/files/file/7290484837.pdfIn PDF document text
- http://fratellibeninca.com/images/file/kulajulit.pdfIn PDF document text
- https://danifiwap.weebly.com/uploads/1/3/4/5/134585556/0a07d21ec.pdfIn PDF document text
- https://sgcaregiver.org/contents/files/27829799658.pdfIn PDF document text
- http://rainternacional.com/userfiles/file/78787302808.pdfIn PDF document text
- http://batteryzone.pk/assets/kcfinder/upload/files/kupumisefemagokaja.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/4801818797.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/buletupolusapezoku.pdfIn PDF document text
- https://www.retailexpert.sk/gfx/administration/js/ckeditor/kcfinder/upload/files/94571210697.pdfIn PDF document text
- https://vuvofazomegudej.weebly.com/uploads/1/3/4/3/134329778/7687191.pdfIn PDF document text
- https://webtechnocrats.com/upload/file/ronazoxin.pdfIn PDF document text
- https://www.miroku-mfg.co.jp/system/js/kcfinder/upload/files/pitewomijoreso.pdfIn PDF document text
- https://parkettworld.com/upload/files/82759786216.pdfIn PDF document text
- http://csc028.com/userfiles/file/20220216225523_4k2vm9.pdfIn PDF document text
- https://democv.associasuite.com/imagenes/contenidos/files/49989871089.pdfIn PDF document text
- https://wirut.co.za/YmrXLWy8?keyword=most%20common%20grammatical%20mistakes%20in%20spoken%20englishPDF 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 extracted file (font_00_sfnt_off0000c626.bin)
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c626.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC626 | 16340 bytes |
SHA-256: d66edf6c1c68f9c0d9a1d8a61320efad839258f2014ab0b2a4ca491e8cf82f4b |
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font_01_sfnt_off0000f04f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04F | 10908 bytes |
SHA-256: 594fbddc55c0c77861e45c20a401490175356999a84cfd741572be0d419fc19c |
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font_02_sfnt_off0001095f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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