MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicates maliciousness, supported by heuristics identifying the PDF as a link farm pointing to compromised WordPress uploads and disposable domains. The document body is heavily obfuscated, but the URLs suggest a lure for downloading a game, likely to distribute malware. No scripts were extracted, limiting further analysis of specific payload delivery mechanisms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://crysiq.ru/uplcv?utm_term=download+game+digimon+world+3 PDF link annotation
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/sorapofazabapesesakepabol.pdfIn PDF document text
- http://abnicum.com/files/file/sosoro.pdfIn PDF document text
- http://exosushi.com/uploads/files/judebosasusomoxe.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/dixudufar.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161373f642e248---vefujixuvotabup.pdfIn PDF document text
- https://ustunbilgisayar.com/userfiles/files/14933373385.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331af797318---volenibikodazuwi.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/tftb8ieps9tue13l1hkkp9gp65/85188349768.pdfIn PDF document text
- http://eis-pieschel.de/UserFiles/File/wokanolikekivipafidulipa.pdfIn PDF document text
- http://tecnoservizi.com/userfiles/files/21871547434.pdfIn PDF document text
- http://cukrarnakolbaba.eu/obrazky/files/vepewetexifobo.pdfIn PDF document text
- https://daquin-ferriere.fr/userfiles/file/29034270713.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9319aa8b3---21483879536.pdfIn PDF document text
- https://mtydizayn.com/userfiles/file/xazawikoguper.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/97842420087.pdfIn PDF document text
- https://cartolmania.it/file/82690162825.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/zojuwe.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/19a9db2690447125a5fb89179e4919c9/142725085.pdfIn PDF document text
- http://salamatekhanevadeh.ir/ckeditor/files/files/76670964162.pdfIn PDF document text
- http://nataliashishkina.com/userfiles/file/nagitonejudoxedukedevalu.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/3rja6v7gehlklotphhuhdp45cc/nesireturavafimi.pdfIn PDF document text
- http://pescepiana.eu/userfiles/files/tagemopibabolabokilepivu.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_off0000e13f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE13F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f956.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF956 | 10584 bytes |
SHA-256: b65bbbd318648ef161959ad55970a5159ac1db0aaaccc5e0f68449c457e72d92 |
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font_02_sfnt_off00011140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11140 | 18008 bytes |
SHA-256: d42aa91dfb3af94d88f259759cef702d98abeed3461c6003d9ab93c6095acf64 |
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