MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also features a large number of external URIs, many of which are hosted on disposable domains, suggesting a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://pixomot.ru/uplcv?utm_term=gta+san+andreas+mobile+free+android PDF link annotation
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140614f428ed---xejonesudukizujogovasukel.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/sususetiwurid.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/1575831238.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/6510435464.pdfIn PDF document text
- http://dtjxbpzx.com/filespath/files/20210906234548.pdfIn PDF document text
- https://polandpools.com/contents/files/rurokatobuwepejebosu.pdfIn PDF document text
- http://armiikrajowej36.pl/public/upload/ckfinder/userfiles/files/rukoxojelusexigoxelanej.pdfIn PDF document text
- https://h1t-url12shio-turbo.com/contents/files/toxenagimisut.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/luxox.pdfIn PDF document text
- https://u-spot.biz/js/ckfinder/userfiles/files/bapepino.pdfIn PDF document text
- http://placidlakes.com/larpm/uploads/file/tefitilunijolukavipiwonap.pdfIn PDF document text
- http://carszana.com/image/upload/File/35532210348.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/wagidalovoviv.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/92940200460.pdfIn PDF document text
- http://dpnovelty.com/upload/files/nusaxavibijiluworitud.pdfIn PDF document text
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/zipopedebavi.pdfIn PDF document text
- https://alev.az/userfiles/file/zobivizupafupuwitutisar.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613291421126a---43405632303.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/54414325918.pdfIn PDF document text
- https://nergizleryapi.com/image/files/bakesakakizares.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210914111237320799387.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/bizuxikivilomovaguzi.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/45225801950.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/1631379380577.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_off0000dff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF808 | 17448 bytes |
SHA-256: f2a216b95842e5e88773079141a58cdf0e5049ea989989bad2525f08429633e9 |
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font_02_sfnt_off0001259b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1259B | 10696 bytes |
SHA-256: 0e7bd1d624fbe326abd9025aa640b34d3fec2e71e140a54211ddd321eb297d78 |
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