MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest a phishing or spam campaign aiming to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://dreptultau.hotnews.md/upload/userfiles/files/joragavozige.pdf In PDF document text
- http://studiolegalezullo.eu/userfiles/files/fikiviporuroro.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/nupupepiruje.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/47087252456.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/tumenopezotepinoxugez.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/sajesu.pdfIn PDF document text
- http://erulingua.hu/uploads/content_files/files/pevobeve.pdfIn PDF document text
- http://tl-maskinfabrik.dk/userfiles/file/mijebujakus.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/ridixag.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f46db07fd6---92546405870.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136069ab1c4d---45598680656.pdfIn PDF document text
- https://fokusmedia.com/images/uploads/74855702282.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/64081731814.pdfIn PDF document text
- http://uteambio.com/upload/files/51728515979.pdfIn PDF document text
- http://gongin.humenia.com/upload/userfiles/2021/09/files/210909072359.pdfIn PDF document text
- https://businesslife.com/content/file/58886782380.pdfIn PDF document text
- https://airbays.com/userfiles/file/6008545952.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/83823411183.pdfIn PDF document text
- https://longislandinvestmentadvisors.com/nini/userfiles/file/webarulomepigunafikam.pdfIn PDF document text
- http://abworder.com/uploads/files/63136299277.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/nekazunovobobe.pdfIn PDF document text
- http://lica.plovdivweek.com/js/ckfinder/userfiles/files/sogowaxojadipuxajexili.pdfIn PDF document text
- https://campermagazine.tv/public/file/28959902910.pdfIn PDF document text
- https://hsse.hssanesteban.cl/files/xiwujifetir.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=minecraft+survival+base+inspirationPDF 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_off0000e1ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1ED | 16740 bytes |
SHA-256: a79310177212ca3f55c07109ec738236a021baeda0e3f9bcaaf017ed8ea4af2a |
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font_01_sfnt_off00010cde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CDE | 10772 bytes |
SHA-256: 4e16d085eaec607373593838a68521d9820cbae48ac59dccaf2130dcd12dde19 |
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font_02_sfnt_off0001259b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1259B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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