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 external URIs, many of which point to compromised CMS upload directories. This suggests the document is designed as a link farm, potentially for SEO manipulation or to distribute malicious payloads. The ML classifier also strongly indicated maliciousness.
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 https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/c904717cdb29c0217c1bac859cefe42c/dologi.pdf In PDF document text
- https://fablab808.com/nbloom/fckuploads/file/xuxop.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/79acba0214cf2027d0f04655fd6e2edb/21725720436.pdfIn PDF document text
- http://diegogenna.it/userfiles/files/18937145532.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160970262a1265---87519279761.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/3584acaaf4a689af3fd01dd424a277c1/pibumubanotulowosat.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/ijugqmahp746ngd96hdgu0rocn/zigojaxanuniduzalotitok.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/6ghvrjle5ttqdk7s5ujtf9msah/xeniruzubadukodutokufovu.pdfIn PDF document text
- http://etenindex.nl/images/uploads/jojavumida.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a732f4f2b80---25595808093.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/2095340063.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/wobuxavukap.pdfIn PDF document text
- https://irrisyst.eu/files/file/xiduxibomimagafigegi.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9827022c7---9187285962.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vebotegipulobamifuxug.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/h6qeijta0v2idrd9vsf63g8ut6/43083151856.pdfIn PDF document text
- http://slp61.com/clients/e/e2/e296dcecfd7d10ffef0cc83fef253c72/File/25591647064.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/bc1828975d5ca5501ce973e54b5a59fc/97748933086.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16087eec09fb3c---rofobovilabopariga.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/17fd2efac8e8ad5537a201923e2fe890/5646894477.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b48653506---41514734760.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae24bd13654---72921233193.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea0e1e44a4---97396038912.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/86590785852.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=research+proposal+apa+format+6th+editionPDF 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_off0000f3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3BC | 16788 bytes |
SHA-256: dc953aa441c6f1702d31bebedacd1b20612ac18589c2660f73592fb34dbbe46c |
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font_01_sfnt_off00011f5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013774.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13774 | 11096 bytes |
SHA-256: 53f5f0ae29ea1e17a60a8898d572e32d3b6ed3ff1840ae24e3c6c26eda712fe3 |
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