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 heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF contains numerous links to disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs, despite some being marked benign, point towards a pattern of redirecting users to potentially malicious sites, likely to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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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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://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/12e5ef18d0aa46af0d164b43287d78ff/minaduja.pdf In PDF document text
- http://sunil.kr/uploadfile/fckeditor/file/pulajitepokiwuwerapoleno.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/zojos.pdfIn PDF document text
- http://borik.customreal.sk/data/files/67919277994.pdfIn PDF document text
- http://digitalqwerty.com/ckfinder/userfiles/files/55776068370.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/xiret.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/mefotez.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/feropoxosoretesu.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/xadivanekobeza.pdfIn PDF document text
- https://doanandieuduong295doson.vn/namthuan/images/news/files/sanevebidi.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/gowefum.pdfIn PDF document text
- http://bippex.com/filespath/files/20210911092424.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/32522489110.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/8672207272.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/13538229506.pdfIn PDF document text
- http://pinxedien.net/upload/files/fabilijuguve.pdfIn PDF document text
- https://promtour-rural.ro/userfiles/file/64231880641.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/xasudupapapanujowuxiteta.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/xekobomabojafida.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/60490702453.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/jutolusirokutigumazevap.pdfIn PDF document text
- https://hotelexpert.ro/uploads/files/fevedawigujajuserorugi.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/gaxaridezonosotajozotarog.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/digatuvuka.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=physics+textbook+answers+pdfPDF 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_off0000c22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC22E | 11204 bytes |
SHA-256: 849d3c59b37e027310b942075faf2842a986e824461d73b02843109dfa0c03ad |
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font_01_sfnt_off0000dc4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC4C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f45e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45E | 17300 bytes |
SHA-256: c7b68d517b1c4d3882ece62f30d02a46a3688335f040a72959bdafa319520514 |
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