MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high likelihood of the sample being part of a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to phishing sites or download further malware.
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://sinarlangit1.com/contents/files/32228824713.pdf In PDF document text
- http://hanyangsteel.com/files/fckeditor/file/40103179261557c9d3e5fd.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/50025374680.pdfIn PDF document text
- http://innobiztour.com/FileData/ckfinder/files/20210914_FE73D55CD145E5DB.pdfIn PDF document text
- http://studioassociatoemc.com/userfiles/files/nalexokizakawopifam.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/33561016569.pdfIn PDF document text
- http://titibbs.xyz/js/ckfinder/userfiles/files/sugigodanegezidifukawo.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/e681a20fbc780d303aba7ac47867221a/79198604385.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/pn0e86tcfb8go08cg3ss8a46q8/kojib.pdfIn PDF document text
- http://onlinetradeshow.ir/uploads/files/33952066802.pdfIn PDF document text
- http://srividyaastrology.com/userfiles/file/xekararegelepipadisani.pdfIn PDF document text
- https://dehayemek.net/upload/ckfinder/files/2835463855.pdfIn PDF document text
- http://xn--hh0b97d8is16e.com/userData/board/file/kevinuwolulotipumo.pdfIn PDF document text
- https://babycloud.ro/app/webroot/files/userfiles/files/2243369209.pdfIn PDF document text
- http://protetyka-lublin.com/images/wyswig_images/file/luted.pdfIn PDF document text
- http://scro.ru/pic/file/58063898754.pdfIn PDF document text
- http://tomei4x4.jp/js/upload/files/kikoxokizokekefilofu.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/tuvawezizure.pdfIn PDF document text
- http://myblindz.com/fck_user_files/file/kejewudujagaxadegijib.pdfIn PDF document text
- http://epplast.com/files/file/tifobin.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/wipaxoti.pdfIn PDF document text
- https://www.natursany.com/ckfinder/userfiles/files/8800516516.pdfIn PDF document text
- http://dj-maily.com/uploads/pages/files/dabuvizowexelojok.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=harry+potter+deathly+hallows+minister+of+magicPDF 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_off0000aee6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6F8 | 15648 bytes |
SHA-256: 12b517c49c9fc396628f7f066ed26027b542b7fe11bbe5f36ef44ba70432cadb |
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font_02_sfnt_off0000ee7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7C | 11256 bytes |
SHA-256: f9b8d8b72387e19ff5fe336743084f967c4baf4df7c713a3e8062d6ec3866929 |
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