MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the presence of external URIs points towards a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL patterns are indicative of a common lure for initial compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://archism.ru/uplcv?utm_term=wigton+wind+farm+prospectus+pdf
- http://kuzfarm.ru/images/file/82632807939.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/1389f28bf353164b28e9aa60664f167f/98322270621.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/83113268b757f73a3cdd77b1ba283bf7/neduwoxewudabuxe.pdf
- https://zemiigori.com/uploads/file/fibujose.pdf
- https://mayurherbal.com/userfiles/file/nanolikenijidezegita.pdf
- http://1day2night.com/UserFiles/file/ligero.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/5f3f1225b0f810e88be13bda45435492/16472978734.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16096700103df8---13879088593.pdf
- http://aite-materials.com/upfiles/file/rumilepimel.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb16ecc0551---52907452810.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/tnpglms9rpu025djbh6mtmgh21/24652335958.pdf
- https://bya-ingenieria.com/ckfinder/userfiles/files/79888815074.pdf
- https://warsztatgdynia.pl/app/webroot/media/files/sopenegogatosawuzizi.pdf
- http://dyglas.com/userData/board/file/79454881148.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/jevisedosoxajebo.pdf
- http://ansonseatery.com/uploads/files/75799330254.pdf
- http://chixue.com/uploadfile/file/20210614065146.pdf
- http://baovephuongtroi.com/vietkiendo/upload/file/tanaseteli.pdf
- http://expertsystemgroup.com/file_media/file_image/file/nasusavowoni.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/7684f797e32e987b04696b7979b9f10c/30232958539.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610895148add8---pewabozulevi.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072814c22b65---79308283118.pdf
- http://montazerangroup.com/uploader/file/92382554404.pdf
- http://50wj66.com/clients/a/af/af9d65f11c1965a5434adcd4cd578f00/File/ziwunora.pdf
- http://tensoinox.com/userfiles/files/soxesag.pdf
- http://heureka-cz.eu/files/wifolotabovobuse.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/shspp0viud99mnvo3eq3flrvje/89999537978.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_off0000fcea.bin01031576c42d5020774c0af9cf9a955541a75adebd2dd8f5bba3e3fe6eb35727 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEA | 18140 bytes |
font_01_sfnt_off00012c02.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C02 | 16792 bytes |
font_02_sfnt_off00014419.bind46a0efef8a7208c14090428cea95275ba3baf4d405643f32f3e654d17f2576b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14419 | 11096 bytes |
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