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 are associated with link farms and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://oniceh.ru/uplcv?utm_term=fs19+download+mod+apk PDF link annotation
- http://ilkconstruction.com/Images/Media/files/ribidujuf.pdfIn PDF document text
- http://serextion2006.com/js/upload/files/99071306356.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/pitagetirakoved.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/99810148723.pdfIn PDF document text
- http://dyneco.kr/userData/board/file/90187426414.pdfIn PDF document text
- https://zohopin.com/calisma2/files/uploads/namivibajikir.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210912_931B949FBE4199BA.pdfIn PDF document text
- https://mytalk7.com/_UploadFile/Images/file/75714150371.pdfIn PDF document text
- http://bangtutrang.com/upload/files/zegarenuvepaxivupoziwu.pdfIn PDF document text
- https://terminarz.online/kosmetyczka/krakow/files/55800847763.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/lobukig.pdfIn PDF document text
- http://muabannhagiare.net/images/uploads/files/torapixabutefarikeg.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/73085250075.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c433b29cee.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/niwapofibafavow.pdfIn PDF document text
- https://vinaarc.com/app/webroot/files/ckfinder/userfiles/files/97973024462.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f7c4462c4---sizivulow.pdfIn PDF document text
- http://swotaweb.com/img/upload/file/janikonurewuteni.pdfIn PDF document text
- http://millionsdiscount.com/mo_images/files/16216135365.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/zewototuwato.pdfIn PDF document text
- https://www.antoniopopolizio.it/ckfinder/userfiles/files/jinate.pdfIn PDF document text
- http://sure2trips.com/bot/ckfinder/uf/files/58517011944.pdfIn PDF document text
- https://vntdc.com/upload/fck/file/mubunajulajisowete.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_off0000e2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB9 | 10504 bytes |
SHA-256: d8297a574581cb6947d854dfdc2ffda7c334b1db06fac3cf9a113704fe8666db |
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font_02_sfnt_off000112ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AD | 19440 bytes |
SHA-256: feae3d3215d48ff7188a630812cc771a7455c7fb6ed64b3b753efbebd0b3d475 |
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