MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://archism.ru/uplcv?utm_term=mario+and+sonic+at+the+olympic+winter+games+ds+rom PDF link annotation
- http://yilip.net/userData/board/file/65896211599.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/5956d423f77e6e41766cd6ac9c60683f/69440691707.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/fixiberef.pdfIn PDF document text
- https://bda.ch/ckfinder/userfiles/files/buvigalegonarukibapojab.pdfIn PDF document text
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/najazozigebebozuxopafovot.pdfIn PDF document text
- http://muasamhangmy.com/ckfinder/userfiles/files/12468139778.pdfIn PDF document text
- https://foundationkuzmanov.com/files/5465388967.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/44401837576.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/34002179826.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5a6e6ef30---6961658568.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/2921450798.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/57452494096.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613584f78a12e---gabokatosusegufe.pdfIn PDF document text
- http://alacarte-husum.de/userfiles/file/lonux.pdfIn PDF document text
- http://fsgzb.com/upfolder/e/files/20210904044920.pdfIn PDF document text
- http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/47707634442.pdfIn PDF document text
- https://tradingphrases.com/userfiles/files/94045024618.pdfIn PDF document text
- http://cdenito.net/userfiles/file/68914402578.pdfIn PDF document text
- http://fleshlight-tw.com/userfiles/file/sejikulesufavevigu.pdfIn PDF document text
- http://web-news.eu/www/pkpar/userfiles/file/48789210907.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/43474890133.pdfIn PDF document text
- http://tomei4x4.jp/js/upload/files/20725495541.pdfIn PDF document text
- https://gtijsr.com/userfiles/file/79300254846.pdfIn PDF document text
- 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_off0000b1bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9D2 | 11156 bytes |
SHA-256: cc325b9a6cfd2c7faa8105500694b97c381478eb6cb34bfdffb609828677baeb |
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font_02_sfnt_off0000e392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE392 | 17488 bytes |
SHA-256: 4326003a892b83fe68f26cedc1646b7d46a8b8dec57df167b0ad9df494ba96a7 |
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