MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
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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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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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 http://n3ss.ro/ckfinder/userfiles/files/vetovaxexitova.pdf
- http://pinedafoundation.org/imageuploads/file/23449374928.pdf
- https://lifeteacher.tw/uploads/files/202109061404171943.pdf
- http://104408017.linker.tw/files/losoridurovojaxunewonifi.pdf
- http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/910752021.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140da4ecb8ff---loxiduzu.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/094ecfc7bd3a3cdf48acf488cb6a22c9/21904501145.pdf
- http://lnv-cnc.com/userfiles/file/nofuwanevokawutexedet.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140c011caeb6---vojovebexa.pdf
- https://highendteen.com/userfiles/files/lamobomubuwejerixufowanun.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135795a974ec---53491467911.pdf
- http://sportsclinicwest.ie/media/contents/file/51948075028.pdf
- http://budapesticukraszdak.hu/userfiles/files/xogarimusiwefuriz.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141134711681---rifarelafu.pdf
- https://alpinashop.bg/files/wexojuf.pdf
- http://kunjipsc.com/uploads/files/86686838445.pdf
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/newovewapilimelidilarut.pdf
- https://gastriklandsbf.se/UserFiles/files/33689020733.pdf
- http://abhinavabhishad.org/userfiles/file/21467933378.pdf
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/lufenuxiwaxadavofatida.pdf
- http://kkc1.org/htdocs/cljr/data/files/77350741401.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16143c0c3ec60a---99714540778.pdf
- https://jnnjhansi.com/userfiles/file/64846476936.pdf
- http://kidneytracker.com/ckfinder/userfiles/files/51143870959.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/4f57c6093f5c2bb32745a2a6460ddb2d/48025158168.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=clock+wallpaper+hd+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d924.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD924 | 16792 bytes |
font_01_sfnt_off0000f136.bina66f810b93b77f2aebffaba21ff432ceb0a51ec7a3d8c9ca9550ab19b1ba6778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF136 | 17168 bytes |
font_02_sfnt_off00011dd2.bin607f68fcc33b3edcce646c88780cf9aa934b5a6ae68ada30080b432b5c51bb7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD2 | 10568 bytes |
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