MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to PDF files hosted on potentially disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for distributing further malware or conducting phishing operations. The presence of a visual download button further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://rainternacional.com/userfiles/file/39926100634.pdf In PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/pixitinaxul.pdfIn PDF document text
- https://femagnet.com/upload/edu/article/file/xefezojedufinup.pdfIn PDF document text
- http://alteredcompta.com/buddha/ckfinder/userfiles/files/dagejawonafizij.pdfIn PDF document text
- http://gbfrjournal.org/pds/userfiles/files/1880000689.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/nonatosokinuzexup.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/54894093959.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613032e40654e---11319150969.pdfIn PDF document text
- http://xyr59.com/filespath/files/20210912025029.pdfIn PDF document text
- http://xprchemical.com/upload/files/589730310.pdfIn PDF document text
- http://xn--hh0b97d8is16e.com/userData/board/file/vawodajudororen.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0fa9344e2---53190567552.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/45599113125.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/68935787625.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/95392122204.pdfIn PDF document text
- http://laros.cz/UserFiles/file/12846799337.pdfIn PDF document text
- http://mgbig.com/upload_fck/file/2021-9-12/20210912052756245308.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/tumizevomerive.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210907040628.pdfIn PDF document text
- http://kimkhimientrung.com/uploads/image/files/fiwexepoj.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/95452727864.pdfIn PDF document text
- http://www.klimavill.com/data/editorfile/gozuvanawujoxerusonitife.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/ratomer.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/78628052947.pdfIn PDF document text
- https://caror.hu/ckfinder/userfiles/files/59018676509.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=let+me+in+123moviesPDF 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_off0000cb86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE398 | 18152 bytes |
SHA-256: 16cd30403967b6fc5df4016b74f7dff2cabbca2004b2afa53282402e4e2f6acd |
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font_02_sfnt_off00011350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11350 | 10328 bytes |
SHA-256: bc759913b7107f7b9bbe2c3706db25f120afa097acdb7b068589ecf910182488 |
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