MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The PDF contains numerous embedded URLs, many of which point to disposable domains or link farms, indicating a phishing or redirection attempt. While no scripts were explicitly extracted, the nature of the PDF and its embedded links strongly suggest it's part of a phishing campaign, likely delivered as a spearphishing attachment.
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://nicklason.se/ckfinder/userfiles/files/jakenul.pdf In PDF document text
- http://staresecurity.com/userfiles/file/bisirawivajixose.pdfIn PDF document text
- https://clinicamanila.com/ckfinder/userfiles/files/duriwosuj.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7bad0cbaa---57593060454.pdfIn PDF document text
- https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/furemo.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/pazetokokaw.pdfIn PDF document text
- http://euromarkcreations.com/new/fck_img/file/bejizipek.pdfIn PDF document text
- http://alcantara.cz/data/file/16568075521.pdfIn PDF document text
- https://minipowerpack.net/upload/files/46212640463.pdfIn PDF document text
- http://pasaru.com/upload/files/nosatomo.pdfIn PDF document text
- http://noticiascgnews.com.br/ckfinder/userfiles/files/tukezepaxuta.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/govugipi.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/84671099400.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/37457331357.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/tirojejixajapasejego.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/33640086992.pdfIn PDF document text
- http://houtackers.nl/userfiles/file/79046196280.pdfIn PDF document text
- https://academiapreprod.riportico.com/userfiles/files/kapikovoradoranogomode.pdfIn PDF document text
- https://kalimati.in/userfiles/file/pagewekepiwedegekevegebi.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/105bef35cc8e1fa88688f5ca0a22a5e6/zulixuned.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/xukereretofijusujugosu.pdfIn PDF document text
- http://hcstonetw.com/uploads/files/202109051238426908.pdfIn PDF document text
- https://kingcarmotorista.net/uploads/files/54829692817.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/5545916642.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=mountain+lion+family+simPDF 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_off0000c479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC479 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC90 | 10352 bytes |
SHA-256: b40459ebc88a6a26038cd4445a69a5ffddb133ac55d871aa80b47ecc09bd0892 |
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font_02_sfnt_off0000f3f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F6 | 17360 bytes |
SHA-256: 69f7074a94393bf75bd4f84e411fc190beb58399381f1faceccae5e87347451f |
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