MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress sites or disposable domains. This behavior is indicative of a link farm designed to manipulate search engine results or distribute malicious content. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://nsfeed.com/_UploadFile/Images/file/97873699588.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cb3c570bc---46917665844.pdf
- http://novussiteyonetimi.com/uploads/file/4975678624.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075faa09b962---51953433774.pdf
- http://aliceinformaticasrl.com/user/pages/jenurimapalen.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/4iriihhfagk2m6cid5qtp6ir00/nefuko.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160870797de9fd---miwalo.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/603b604818594acb4ad0f051387cd75f/88206491320.pdf
- http://jfhcoaching.nl/userfiles/files/16591844844.pdf
- http://ilksolar.com/Images/Media/files/sofar.pdf
- http://myjobcareer.net/userfiles/file/2021070207291573499.pdf
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/fa1f8b4b0176f3e62e30d2ad4edcc26e/dagereduduxin.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c967cfd95---61300759525.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160a39d758452b---jikebiwapusomefeme.pdf
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/3897575240963e7a7d611beff70f77ad/zamuberudejo.pdf
- http://royalproductsonline.com/userfiles/file/moforemufixabujovose.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d1f3cf6b33f---lebudejevilenof.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7d762e98f---ratugut.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b65061f6cb---95231195758.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/da283dd52f5955f9e4a7fa3a57c11e4b/fejinokitovuro.pdf
- https://myphi.biz/nbloom/fckuploads/file/82722294483.pdf
- https://ccaquebec.com/userupload/files/90041695323.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/8c8cdaca0f5eaecd45ee2f2b9ac59bb6/maguzowezemuzikijejopi.pdf
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a500935f041---70500430847.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=can+u+drive+in+a+different+state+with+a+permit
- 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_off0000ef84.bin271fdc07a69ef6282635d96452bd682de93c842ef05cb4bdf2aa7fbf314972f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF84 | 10880 bytes |
font_01_sfnt_off00010893.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10893 | 16792 bytes |
font_02_sfnt_off000120a5.bin865cc23ae7767cd33f8f49c745ab7678d6e3564fa1b4cb67956e66239fc0e2bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A5 | 16772 bytes |
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