MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting. The ML classifier strongly indicates maliciousness. The primary function appears to be acting as a link farm, likely to distribute malware or engage in phishing, rather than delivering content directly.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/e8c8b9ed860039efc31e0c738b93f188/favutinigejolizular.pdf In PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/wafowakogejeloxifawejika.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/fawewijekebesowevojagane.pdfIn PDF document text
- http://nanumed.ro/uploads/files/88561195022.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/697863408e7a810aae1cf87cf3c4340e/sebizatidolonusasonitabon.pdfIn PDF document text
- https://termofriz.rs/files/54482268083.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1d1f2d44b---51827390142.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/uesa0iqbhfb1bsh2tioql8n2uh/49902005873.pdfIn PDF document text
- http://www.detskaoptika.cz/ckfinder/userfiles/files/xuxinazikizorejuriginixa.pdfIn PDF document text
- https://vivaldiroberto.com/img/files/mediafiles/file/kakatajatonago.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/5183676583.pdfIn PDF document text
- http://daimarconstrucciones.com/images/admin/file/rezixosetakus.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/bisedusagixagu.pdfIn PDF document text
- http://gildiamasterov.ru/userfiles/file/dejivikisoporis.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/34382864196.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/31572976237.pdfIn PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/46989999095.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cc83ee25e---13418798515.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c84a006c23---tadukataxa.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/9046b63e823b8fa005d505e2371c031e/wejuzujiwanodulud.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/xaviwuxofisobowejupa.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/b1b98d969b57ca932737311aa59e7f08/81846906898.pdfIn PDF document text
- https://pisangmanis.com/contents//files/zedadixavopupivezimibeka.pdfIn PDF document text
- http://caratow.eu/userfiles/file/fesikagavi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=am92+mortality+table+pdfPDF link annotation
- 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_off000106a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A7 | 19576 bytes |
SHA-256: 8b88d2a52fbdfcb279a1aa5d6134aaf7067e58817e9d349b49c5dbc47ff00942 |
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font_01_sfnt_off00013a67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001527e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1527E | 10912 bytes |
SHA-256: 78ffe4bb6c3cfd333428bd3fac2ba8d7be67f40dce0d2a851cf2ca779fde4bef |
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