MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains. The ML classifier strongly indicates maliciousness, and the heuristic for a link farm on disposable hosting further supports a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection to these malicious sites, potentially for exploitation or credential theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 5
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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://smidgel.ru/uplcv?utm_term=crossy+road+android+tv PDF link annotation
- http://santamariamikado.com/uploads/files/kazawewonazepabebaru.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-11/20210911102308725863.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/kapefazawevinita.pdfIn PDF document text
- http://pickup-ws.com/userfiles/files/firuzipafikutejijuw.pdfIn PDF document text
- http://effekt-film.de/files/file/xizavajosogoki.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/16525592274.pdfIn PDF document text
- http://freeorden.com/media/file/23287880863.pdfIn PDF document text
- https://sanghvicranes.com/staging/media/80714746421.pdfIn PDF document text
- https://gea99.com/ckfinder/userfiles/files/91888372882.pdfIn PDF document text
- http://ramenzoni.eu/userfiles/files/23583569196.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/mukesiguki.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/ladazagak.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/53792912176.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614178612d47b---nekubanuvari.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/lojumukaxodexaludipira.pdfIn PDF document text
- https://kaplaitalia.it/userfiles/files/84198087048.pdfIn PDF document text
- http://baocaosudanang24h.com/uploads/image/files/tisane.pdfIn PDF document text
- http://mosjob.ru/images/file/lebikezofo.pdfIn PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/jewalosojet.pdfIn PDF document text
- https://ensegun2.com/ckfinder/userfiles/files/75468784687.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/202198112243254.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce44c453b0---tegevo.pdfIn PDF document text
- https://everestart.com/images/stories/file/77973646602.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/zelipev.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/17911470969.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/witogila.pdfIn PDF document text
- http://nandishoverseas.com/UserFiles/File/vamitozakubimud.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_off0000ddbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D5 | 10272 bytes |
SHA-256: 75780cdb807362103317ec56b08de33078487559412240fb1f32286c24892cf4 |
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font_02_sfnt_off00010d19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D19 | 18708 bytes |
SHA-256: 5e0481997d2f6928df90e4364cacd6e577b9cda853eabd754199f3497d7792fe |
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