MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript and a large number of 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 initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://pistant.ru/uplcv?utm_term=anger+of+stick+5+hack+mod+apk PDF link annotation
- https://frutalmente.pt/site/upload/file/36183198857.pdfIn PDF document text
- https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/31500068957.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/40387206183.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/rebeweruxafekoxozid.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/46108543473.pdfIn PDF document text
- http://360global.ca/userfiles/file/70719358757.pdfIn PDF document text
- https://tungafilm.com/dorceiys/ckfinder/userfiles/files/vebuwevevukeror.pdfIn PDF document text
- https://viadagio.be/userfiles/file/26192973268.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/rasovuvememaju.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a082f9abe0---75334414625.pdfIn PDF document text
- https://nasikampung.info/contents/files/78812923066.pdfIn PDF document text
- https://073741256.com/uploads/files/202108312314064515.pdfIn PDF document text
- https://gulf-rope.com/images/bulk_images/files/toxura.pdfIn PDF document text
- http://museodegliarazzimarsala.com/userfiles/files/jomikolelosuwidajaweb.pdfIn PDF document text
- https://rent-1.es/ckfinder/userfiles/files/8140299385.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/53280768712.pdfIn PDF document text
- https://interstudy.net/userfiles/file/81127761606.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/46141451909.pdfIn PDF document text
- https://taumed.kz/upload/2021/09files/2109062204146941821f2ag.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e1a5e5c02---71062279978.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/60985030374.pdfIn PDF document text
- http://www.pvvc.cz/files/bavuxowebof.pdfIn PDF document text
- http://rund.cz/UserFiles/File/mavogom.pdfIn PDF document text
- http://entrackintl.com/uploads/gefakituf.pdfIn PDF document text
- http://flyingkirin.com/uploadfiles/file/110946011109.pdfIn PDF document text
- http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/66850238296.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_off0000e03b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE03B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f852.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF852 | 11228 bytes |
SHA-256: 308e1a50095112258e18a202ad8ab1ee8ed841c9d0053636b754f7939670e3e6 |
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font_02_sfnt_off00011255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11255 | 18132 bytes |
SHA-256: 9e79057d4ccba8689a8e52f22106c10fa576d8ea4a9626e4b193a01b6e3c6515 |
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