MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting and are structured as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded JavaScript is a common technique for executing malicious code or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://steammining.com/userfiles/file/11645545867.pdf In PDF document text
- http://studiodebiaggi.eu/userfiles/files/kusazusinexaduror.pdfIn PDF document text
- http://phutungvespaco.com/luutru/files/tisameferi.pdfIn PDF document text
- https://isigakizima.net/img/tmp/file/fimixoxefaronuxiwenifoxu.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/jitaxugutivaji.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210909130138.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/91924690560.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/vulabukej.pdfIn PDF document text
- http://ks-system.co.uk/ckfinder/userfiles/files/wekipaxevurapita.pdfIn PDF document text
- http://kayapalinakliyat.com/file/32937501580.pdfIn PDF document text
- http://thietbibepnhahang.net/media/files/85709836957.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/84199824675.pdfIn PDF document text
- http://bushurov.ru/images/files/30090274986.pdfIn PDF document text
- http://isspskola.lv/userfiles/files/makuzejevisilozijonivofu.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/98033145295.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/27195868975.pdfIn PDF document text
- https://sharmtocairo.com/userfiles/files/23588186885.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/zevukexibagekivir.pdfIn PDF document text
- http://iltorg.ru/upload/file/88175902767.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/a9mm12u955pvis69imu3kjetq1/72667763748.pdfIn PDF document text
- http://saddabro.com/userfiles/file/sujolede.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/zokoror.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/23269676416.pdfIn PDF document text
- http://qiangka.com/ckfinder/userfiles/files/soketejamorod.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+use+insta+saverPDF 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_off0000e214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE214 | 17804 bytes |
SHA-256: 958ecf0c0bec44ebf9507c1de3a0d15741ac095bb7f94e035708bd6011a4deb7 |
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font_01_sfnt_off00011008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11008 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001281f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1281F | 10300 bytes |
SHA-256: 92d8ac0f6aee0ac4f459961a2b02458b76a704a99cd45e0ba3872a3c06cc0dd5 |
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