MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting it's part of a link farm or SEO manipulation scheme. The ML classifier strongly indicates malicious intent, likely to redirect users to malicious content or phishing sites. The embedded JavaScript is a common technique for initiating malicious redirects or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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 https://rumahbaruku.com/contents//files/47845859225.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/404631872c1f63ecf86a9f2f773325ba/24812789095.pdf
- http://qzgj.cn/upload/file/sifow.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e79d03d34---kujujetogotun.pdf
- https://carlojans.com/cms/file/potime.pdf
- http://sochi-polyana.com/ckfinder/userfiles/files/57502789805.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abe0223ba1---9394628667.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4882b3c5f0---bowezuzotutafetuvomunoxal.pdf
- http://agcslohian.com/userfiles/file/serozasaj.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/8a57582ad0b13c3e1ad7f0e1e70e761b/didixamirok.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5fdaa7b7f---57287439588.pdf
- http://bebelino.ru/userfiles/file/lewaxini.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1609424eb6fc49---2958847152.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb0817fedf---dosawoliw.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078df3848f03---78514309137.pdf
- http://gocep.org/data/userfiles/files/3733872945.pdf
- http://langeline.com/ckeditor/upload/files/zamixol.pdf
- http://jeansresource.com/js/ckfinder/userfiles/files/79904737296.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/1onhhg7f1q9m106goe2gtkkbps/piladumovigevikopivetulu.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/s6i5t69e70kii2et66kvqeheg7/99781192981.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ifvmrf3r5dbd75v53bqpbpg169/61630237594.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/1rck1d2ffn8taou7b4jecdj1lb/95278598617.pdf
- http://shinies.ru/img/lib/file/wufalivosibajugalex.pdf
- http://sllight.ru/design/img/upload/file/lukuro.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+charles+law+in+chemistry
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/b9031be90bbd00bec6bb103aac3daba6/44439059753.pdf
- 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_off0000e5bd.bin8594514f0bb0066cd84a4ac87df1af9e5554b03ff02b832d1d608b3d8cef1a66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BD | 17448 bytes |
font_01_sfnt_off0001138a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1138A | 16792 bytes |
font_02_sfnt_off00012ba1.bin6a68603bc4a01c3c9ed7898f9eddf10abd0050d5c5212721274320847818145e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BA1 | 10568 bytes |
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