MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, indicating an attempt to execute malicious code. It also features a high number of external URIs, many pointing to disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for distributing further malware or conducting phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/ropix.pdf In PDF document text
- http://hosteleriayvending.com/ckfinder/userfiles/files/40257433087.pdfIn PDF document text
- https://rowsontw.com/shopadmin/upload/files/45507237814.pdfIn PDF document text
- http://cmcthailand.com/ckfinder/userfiles/files/ledetonosineg.pdfIn PDF document text
- http://ebiocell.com/uploadfile/file///2021090915054940.pdfIn PDF document text
- http://nhakhoasaigonkimcuong.com/uploads/images/files/76980551388.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/tezilewefenimanonupava.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/f79d8214797fe8f6a6b615db2cd89195/9441125329.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/lituzifumarovew.pdfIn PDF document text
- https://rivieresoceanie.com/ckfinder/userfiles/files/tojuzaxape.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/23152415280.pdfIn PDF document text
- https://ooobelkom.ru/ckfinder/userfiles/files/nuzexaw.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/64007444872.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/narevoteganiv.pdfIn PDF document text
- https://silatur.com/js/ckfinder/userfiles/files/43357405048.pdfIn PDF document text
- http://zae.me/datafiles/file/xuwowotirizu.pdfIn PDF document text
- http://vet-spb.com/userfiles/file/juligoninifapipekikavowu.pdfIn PDF document text
- http://branpc.in/ckfinder/userfiles/files/jogesetux.pdfIn PDF document text
- http://tercovci.cz/files/file/nemedowegum.pdfIn PDF document text
- http://cluboutletmoto.net/campannas/file/45583517595.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/kebuzun.pdfIn PDF document text
- http://klhl.com/userfiles/file/xuxumudapewo.pdfIn PDF document text
- https://aromamarketing.md/img/files/33710322122.pdfIn PDF document text
- http://brickform.cz/obrazky/files/wivuxodupawokov.pdfIn PDF document text
- http://salman-is.com/userfiles/file/4595466200.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=ultra+balloon+apkPDF 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_off0000decf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECF | 10092 bytes |
SHA-256: 5388f9dcf45c5a4e6470612e58b9f4ba61ab7a6156fd219d8e5b6db5a7aa44ee |
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font_01_sfnt_off0000f531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF531 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D43 | 20416 bytes |
SHA-256: 48378de662502accfebd572e1feb15c77cdd0a687689ffbd0623c71ee37792f2 |
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